P.S. FINAL EXAM PRACTICE TEST CHEMISTRY FALL '23

A is the ___.

• electron

• nucleus

• valence electron shell

• proton

• neutron

Tags

NGSS.MS-PS1-1

B is the ___.

• electron

• nucleus

• electron shell

• proton

• neutron

Tags

NGSS.MS-PS1-1

C is the ___.

• electron

• nucleus

• electron shell

• proton

• neutron

Tags

NGSS.MS-PS1-1

D is the ___.

• electron

• nucleus

• electron shell

• proton

• neutron

Tags

NGSS.MS-PS1-1

E is the ___.

• electron

• nucleus

• electron shell

• proton

• neutron

Tags

NGSS.MS-PS1-1

F is the ___.

• electron

• nucleus

• electron shell

• proton

• neutron

Tags

NGSS.MS-PS1-1

In atoms, protons have (a) ___ charge, neutrons have (a) ___ charge, and electrons have (a) ___ charge.

• no / + / -

• • + / - / no

• • - / no / +

• • + / no / -

Tags

NGSS.MS-PS1-1

Atoms are neutral, meaning that they have no charge, because ___.

• the number of protons are equal to the number of neutrons

• the number of protons are equal to the number of electrons

• the number of electrons are equal to the number of neutrons

When atoms lose or gain electrons, they become ___.

• isotopes

• ions

• another element

When atoms lose or gain protons , they become ___.

• isotopes

• ions

• another element