Matter Unit Test - Practice

Which letter best represents the proton(s)?

• A
• B
• C

Tags

NGSS.MS-PS1-1

Which letter best represents the electron(s)?

• A
• B
• C

Tags

NGSS.MS-PS1-1

Which letter best represents the neutron(s)?

• A
• B
• C

Tags

NGSS.MS-PS1-1

Which element does this model of an atom represent?

• Lithium
• Nitrogen
• Boron
• Carbon

Tags

NGSS.MS-PS1-1

What makes up an atom's atomic mass?

• protons and neutrons

• protons and electrons

• Neutrons

• none of these

Tags

NGSS.MS-PS1-1

Look at the periodic table. One atom of atomic number 39 has how many neutrons?

• 39

• 89

• 50

• none of these

Look at the periodic table. One atom of Gallium (Ga) has how many electrons?

• 70

• 31

• 39

• None of these

Tags

NGSS.MS-PS1-1

Look at the periodic table. One atom of Chromium (Cr) has how many protons?

• 52

• 28

• 24

• none of these

Which number best represents the atomic mass of Iron (Fe)?

• 55

• 26

• 56

• 30

Which element symbol is found in Group 2, Period 4?

• Sr

• Ca

• Be

• Ti