Mini-Assessment #1 - "Atomic Structure"

Front

What is the name of the element with atomic number 18?

Back

Argon

Front

What is the mass number of an atom with 7 protons and 7 neutrons?

Back

7

Front

Identify the state of matter that has a definite shape and volume.

Back

Solid

Front

What is the mass of a neutron?

Back

1 amu

Front

What is a substance that has indefinite shape and indefinite volume?

Back

Gas

Front

What is the atomic structure of an atom?

Back

An atom consists of protons, neutrons, and electrons.

Front

What is the charge of a proton?

Back

+1

Front

What is the charge of an electron?

Back

-1

Front

What is the charge of a neutron?

Back

0 (neutral)

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of one type of atom, while a compound is made of two or more different types of atoms chemically bonded together.