2020 chemistry study guide

The basic unit of matter is the

• atom
• element
• molecule

Tags

NGSS.MS-PS1-1

The electron has a _______ charge.

• positive
• negative
• neutral

The neutron has a _____ charge.

• positive
• negative
• neutral

The proton has a ____ charge.

• positive
• negative
• neutral

The proton is found

• in the nucleus
• circling around the nucleus

The neutron is found

• in the nucleus
• circling around the nucleus

The electron is found

• in the nucleus
• circling around the nucleus

The atomic number tells you what?  READ THE ANSWERS CAREFULLY

• only the number of electrons
•  only the number of protons
• only the number of neutrons
• the number of both electrons and protons in an atom.

What does the atomic mass tell you? 

• Basically,the number of electrons and protons
• The number of neutrons
• Basically, the number of protons and neutrons
• The number of protons.

What does the 6 represent?

• atomic mass
• atomic number
• element name
• chemical symbol 

Tags

NGSS.MS-PS1-1