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What are the noble gases?

group 0; all stable atoms

What is valence?

the number of electrons at the outermost energy level

What is covalent bonding?

sharing of electrons between atoms

Where do covalent bonds usually exist?

between non metals

What kinds of inorganic compounds are there?

acids, bases, and salts

What are the characteristics acids?

sour taste, corrosive in aqueous solutions

What do acids dissociate into?

H+ ions and a metal; usually occur with ionic compounds

What do solutions with low pH have?

a high H+ ion concentration

What is neutralization?

reaction between an acid and a base in forming salts

What happens to litmus paper if the solution is an acid?

it turns from blue to red

What happens to litmus paper if the solution is a base?

it turns from red to blue

What are the characteristics of bases?

taste bitter, feels slippery, in aqueous solutions bases form/dissociate in OH (hydroxide ions)

pH's of bases are?


What are salt like?

taste salty, when placed in water, they usually dissolve easily, highly reactive in water

What are some subatomic particles that are smaller than neutrons than protons?

nucleons and quarks

What equipment is used to discover quarks and nucleons?

particle accelerators

What is the name of the area around the nucleus in which the electrons are found

the orbital

What is a neutral ion?

an atom with a number of electrons equal to the atomic number

What is electrovalence?

something that has given up its electrons and became an ion

Where are negative ions normally found on the periodic table?

the right side

Where are positively charged ion normally found on the periodic table?

the left side

What is the electron number rule?

2-8-8 rule

What creates phase changes in matter?

physical forces

What builds and breaks bonds?

chemical forces

What are chemical forces caused by?

other compounds or molecules that act on substances

Explain more on physical forces?

cannot break down compounds

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