Naming Ionic/Molecular, Bonding, Nuclear Benchmark 2nd Quarter

Front

How many Oxygen atoms are in H₂O?

Back

1

Front

What type of change occurs when fireworks explode?

Back

Chemical change

Front

Finish the equation: 226₈₈Ra --> ____ + 226₈₈Ra

Back

y

Front

What is the formula for copper(I) sulfate?

Back

Cu₂SO₄

Front

Finish the equation: 181₇₃Ta --> ____ + 181₇₄W

Back

0₋₁e

Front

What is an ionic bond?

Back

A chemical bond formed between two ions with opposite charges.

Front

What is a molecular compound?

Back

A compound formed when two or more nonmetals bond by sharing electrons.

Front

Define nuclear fission.

Back

The process of splitting a heavy nucleus into smaller nuclei, releasing energy.

Front

What is the octet rule?

Back

Atoms tend to gain, lose, or share electrons to achieve a full outer shell of eight electrons.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance without changing its identity, while a chemical change results in the formation of new substances.