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CombiningAtoms

AtomBasics

The PeriodicTable

It’sElementary

It Takes Two

Neutral particles that are formed when

electrons are shared by atoms rather than

being gained or lost

What are molecules?

Positively or negatively charged atom whose

charge results from the gain or loss of one or

more electrons

What is an ion?

The type of bond formed by the

attraction of positively charged ions for

negatively charged ions

What is an ionic bond?

The number of electrons in the outer energy level of most

stable atoms

What is eight?

The number of electrons that an atom gains, loses, or shares when bonding with

another atom

What is its oxidization number?

The positively charged particle in the nucleus

of an atom

What is the proton?

The uncharged particle in the nucleus

of an atom

What is the Neutron?

Orbits the nucleus of an atom in a cloud

What is an electron?

The release of high-energy particles by

radioactive elements

What is radioactivity?

This British scientist developed the Billiard ball model of the atom

in 1802

Who was John Dalton?

The number of electrons in an atom

with an atomic number of 5

What is 5?

The number neutrons in the nucleus of an

element with an atomic mass of 10.811, and an

atomic number of 5

What is 5.811?

The atomic mass of an element that has 30

protons and an average of 35.39

neutrons in its nucleus

What is 65.39?

The average number of neutrons in the nucleus of an atom that has an atomic

number of 28

What is 30.69?

Has an atomic mass of 222.017

What is Radon?

It has an atomic number of 1, an atomic mass of 1.00794 and its

symbol is H

What is Hydrogen?

It has an atomic number of 2, an atomic

number of 4.002602, and its symbol is He

What is Helium?

Its symbol is Au

What is Gold?

It has an atomic number of 80, an

atomic mass of 200.59, and its symbol is Hg

What is Mercury?

Its symbol is Ag

What is Silver?

1112 in base 10

What is seven?

101112 in base 10

What is twenty-three?

Nineteen in base 2

What is 100112?

1010102 in base 10

What is forty-two?

68 in base two

What is 10001002?