Life Science Semester I Review

Front

What is the smallest particle of a compound that still has the compound’s properties?

Back

Molecule

Front

How do you write 0.00000707 in scientific notation?

Back

7.07 x 10^-6

Front

What is the atomic number of Sodium?

Back

11

Front

Which subatomic particle has a negative charge?

Back

Electron

Front

Solve: 1.256 - 0.004 + 123.09 = ?

Back

124.34

Front

What is an atom?

Back

The basic unit of a chemical element.

Front

Define a compound.

Back

A substance formed when two or more elements are chemically bonded together.

Front

What is the charge of a proton?

Back

Positive.

Front

What is the charge of a neutron?

Back

Neutral.

Front

What is the charge of an electron?

Back

Negative.