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35 terms

General Science Study Guide

STUDY
PLAY
8
# of planets in the solar system
Mercury
Planet closest to the sun
Neptune
Planet farthest from the Sun
Saturn
Planet with prominent rings
No
Do all planets have moons?
Shortest
Mercury has the ______ year
Jupiter
Largest planet
Venus
Hottest planet
Rock and metal
What are asteroids made of
Sun
Star closest to us
Protons, neutrons, electrons
3 basic components of an atom
protons
An element number is determend by the number of these
protons, neutrons
nucleus consists of...
positive
When an atom loses one or more electrons it will have this charge
Size and mass
Protons and neutrons have the same...
protons, electrons
two particles that are attracted to each other
Electron Cloud
Where electrons are found in an atom
100
Number of known elements
Atomic number
how elements are arranged in the periodic table
Mendeleev
Scientist who came up with the periodic table
Periods
rows in the periodic table
Groups
Columns in the periodic table
Gases
Group on the right side of the periodic table
negative
When an atom gains one or more electrons it will have this charge
ion
atom that gains or loses one or more electrons
Complete
In both ionic and covalent bonds, atoms are left with ____________ outer shells
metal and nonmetal
Ionic bond forms between these two
Share
In covalent bonds, elements _______ one or more electrons
Covalent bond
forms between two nonmetals
compound
pure substance containing two or more elements that are chemically bonded
Chemical Formula
combination of chemical symbols and numbers that shows which elements are present in a compound
comet
A ball of frozen dust and rock that orbits the sun and has a tail that glows
meteor
A meteoroid that burns up in Earth's atmosphere.
meteorite
a meteoroid that does not completely burn up in the atmosphere and strikes the surface of a moon or planet
asteroid
any of numerous small celestial bodies composed of rock and metal that move around the sun (mainly between the orbits of Mars and Jupiter)