Atomic Structure Practice

Which of the following is the best definition of matter?

• anything that has mass and volume (takes up space)

• the amount of space a substance occupies

• how much something weighs on earth

True or False:

Atoms are the basic building blocks of most of the matter around you.

• true

• false

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Which of the following make up parts of an atom?

• neutron

• proton

• electron

• ultron

Tags

NGSS.MS-PS1-1

Which of the following parts of an atom are positively charged?

• neutron

• proton

• electron

• nucleus

What measure does the Atomic Number show?

Which of the following best describes atomic mass?

• the total mass of protons, neutrons, and electrons in an atom

• the code used to represent an element

• matter that is made up of the same chemical compostition and cannot be separated into parts by physical means

True or False:

A chemical symbol is a code used to represent each element.

• True

• False

What is the atomic number?

• 35

• 18

• 17

• 52

Tags

NGSS.MS-PS1-1

How many protons and electrons does this element have?

• 35

• 18

• 17

• 52

Tags

NGSS.MS-PS1-1

What is the atomic mass of Arsenic?

• 33

• 107

• 75

Tags

NGSS.HS-PS1-1