Study sets matching "chemistry elements atoms"
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atom
element
nucleus
charge
The "building block" of matter. It is the smallest particle of…
A substance that cannot be broken down into simpler substances…
The center of an atom, contains protons and neutrons
an electrical property of an atom - can be positive or negative
atom
The "building block" of matter. It is the smallest particle of…
element
A substance that cannot be broken down into simpler substances…
Chemical Reaction
Atoms
Molecules
Elements
Is when matter is mixed and something new is made.
The smallest pieces of matter that cannot be cut apart.
This is made of more than one atom. Sometimes the same (O2) an…
The different kinds of atoms that make all matter.
Chemical Reaction
Is when matter is mixed and something new is made.
Atoms
The smallest pieces of matter that cannot be cut apart.
atom
element
sub-atomic
electron
An atom is the smallest unit of an... element that maintains the…
a substance that cannot be separated or broken down into simpl…
smaller than or occurring within an atom
- a negatively charged sub-atomic particle... - mass = 12000 amu
atom
An atom is the smallest unit of an... element that maintains the…
element
a substance that cannot be separated or broken down into simpl…
The atomic Theory... (Dalton)
Nuclear theory of the atom... (rutherford)
How much mass does the nucleus make up…
Atomic number
1. Each element is composed of tiny indestructible particles c…
1. Most of the atom's mass and all of its positive charge are…
nucleus makes up 99% of mass... but occupies only a small fracti…
the # of protons in the nucleus of an atom. Represented by the…
The atomic Theory... (Dalton)
1. Each element is composed of tiny indestructible particles c…
Nuclear theory of the atom... (rutherford)
1. Most of the atom's mass and all of its positive charge are…
There are small, negatively (-) charged…
There is a small, dense, positively (+)…
Most of an atom's mass is in its nucleu…
Electrons jump between levels from path…
Thomson
Rutherford
Rutherford
Bohr
There are small, negatively (-) charged…
Thomson
There is a small, dense, positively (+)…
Rutherford
Atomic structure
Periodic Table
Bonds
Ions
Electron on outer shell, neutron and proton in center, nuclei.
A table that shows the elements, their atomic number, symbol,…
Forces holding particles together.
Atoms with a charge
Atomic structure
Electron on outer shell, neutron and proton in center, nuclei.
Periodic Table
A table that shows the elements, their atomic number, symbol,…
Aatoms contain positiveley charged prot…
It's a substance that only contains one…
12 an atom has the same number of proto…
An atom has a nucleus in the centre tha…
Name the different particles in an atom and give their changes
What is an element
If an atom has 12 protons how many electrons will it have
Describe the structure of an atom
Aatoms contain positiveley charged prot…
Name the different particles in an atom and give their changes
It's a substance that only contains one…
What is an element
What is an atom?
How are compounds formed by elements?
What do chemical reactions involve?
What is a compound?
The smallest part of an element that can exist
They are formed by chemical reactions
The formation of one or more new substances , often with a det…
A substance made of two or more elements chemically combined i…
What is an atom?
The smallest part of an element that can exist
How are compounds formed by elements?
They are formed by chemical reactions
MATTER
CHEMISTRY
ATOM
SUBATOMIC PARTICLES
Anything that has mass and occupies space. Solid, liquid or ga…
Study of matter and its interactions.
Smallest unit of matter that still retains its original proper…
3 basic smaller parts within an atom.
MATTER
Anything that has mass and occupies space. Solid, liquid or ga…
CHEMISTRY
Study of matter and its interactions.
Atom of different elements have differe…
Atomic Mass Unit (amu)
Subatomic Particle of Elements
Proton
masses
- a unit used to measure of multiples of mass of single proton…
protons, neutrons, and electrons
positive, inside the nucleus
Atom of different elements have differe…
masses
Atomic Mass Unit (amu)
- a unit used to measure of multiples of mass of single proton…
periods
groups
elements
mixtures
horizontal rows on the periodic table, physical and chemical p…
aka families, vertical columns on the periodic table, contains…
pure substances that can not be broken down chemically
two or more substances that are not chemically combined and ca…
periods
horizontal rows on the periodic table, physical and chemical p…
groups
aka families, vertical columns on the periodic table, contains…
atom
chemical formula
chemical symbol
compound
The smallest part of an element that can exist.
A formula that shows the relative number of atoms of each elem…
A one- or two-letter code for an element that is used by scien…
A substance made up of atoms of two or more elements, strongly…
atom
The smallest part of an element that can exist.
chemical formula
A formula that shows the relative number of atoms of each elem…
atom
isotope
ion
electron
smallest particle on element that retains its identity in chem…
atoms that have same # of protons (same element) but have diff…
atom/group of atoms that have +/- charge
Symbol: e-, located outside nucleus, atomic mass unit: 0, char…
atom
smallest particle on element that retains its identity in chem…
isotope
atoms that have same # of protons (same element) but have diff…
Increasing atomic number
#protons + #neutrons
Isotopes
Mass number - #protons
The elements in the periodic table are arranged in order of___…
Mass number=
Different number of neutrons are called_____.
#neutrons=
Increasing atomic number
The elements in the periodic table are arranged in order of___…
#protons + #neutrons
Mass number=
Atom
Element
Compound
Mixture
The smallest part of an element that can exist.
A simple substance that cannot be further broken down chemical…
Two or more elements that are chemically bonded.
Two or more substances that are together but are not chemicall…
Atom
The smallest part of an element that can exist.
Element
A simple substance that cannot be further broken down chemical…
atoms
protons and neutrons
protons
neutron
Building blocks of matter
subatomic particles located @ the center of the atom
Positively charged subatomic particles
subatomic particles that have no charge
atoms
Building blocks of matter
protons and neutrons
subatomic particles located @ the center of the atom
sonorous
ductile
malleable
to the right
Capable of producing a deep or ringing sound
A term used to describe a material that can be pulled out into…
easy to shape or bend
Where can non-metals be found in the periodic table?
sonorous
Capable of producing a deep or ringing sound
ductile
A term used to describe a material that can be pulled out into…
matter
atoms
molecules
solid
anything that occupies space and has mass
tiny particles too small to see that makes up matter
two or more atoms joined to one another in specific geometric…
atoms or molecules pack close to each other in fixed locations
matter
anything that occupies space and has mass
atoms
tiny particles too small to see that makes up matter
Elements
Compounds
Molecule
Mixtures
An element is a pure substance that only contains one type of…
Compounds are molecules that are composed of two or more separ…
A molecule is formed by the chemical combination of two or mor…
A mixture is made up of compounds or elements.
Elements
An element is a pure substance that only contains one type of…
Compounds
Compounds are molecules that are composed of two or more separ…
Atoms have small nucleus surrounded ele…
The nucleus contains protons (positive…
The electrons are negatively charged an…
the number of protons equals the
because the positive and negative charges of protons&electrons…
neutrons (no charge) so the nucleus has an overall positive ch…
around the nucleus by occupying shells around the nucleus.
number of electrons.
Atoms have small nucleus surrounded ele…
because the positive and negative charges of protons&electrons…
The nucleus contains protons (positive…
neutrons (no charge) so the nucleus has an overall positive ch…
Organization of the Periodic Table
Groups
Periods
Metals
Vertical columns; elements are similar because they have the s…
Horizontal rows.
Conductors, malleable, form positive ions (cations).
Organization of the Periodic Table
Groups
Vertical columns; elements are similar because they have the s…