What part of an atom is NEGATIVELY charged?

• protons

• neutrons

• electrons

• atoms

Tags

NGSS.MS-PS2-3

Which of the following correctly represents the electronic distribution in the Mg atom? .

• 3, 8, 1

• 2, 8, 2

• 1, 8, 3

• 8, 2, 2

Tags

NGSS.HS-PS1-1

How many electrons are there in the valence shell of the O^2– ion?

• 2

• 8

• 10

• 6

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The electronic configuration of chlorine is

• 2,7

• 2,8,8,7

• 2,8,7

• 2,7,8

Tags

NGSS.HS-PS1-1

Match the parts of the electron configuration to what it represents.

• element

• 1

• period

• 2

• block

• s

Tags

NGSS.HS-PS1-1

Match the following

(a)   states that electrons fill the lowest energy orbitals first

• Heisenberg Uncertainty Principle

• Aufbau Principle

• Hund's Rule

• Mrs. Vollers

How many electrons does a neutral atom with 14 protons and 16 neutrons have?

Mathematical Equivalence

ON

Tags

NGSS.MS-PS1-1

Which subatomic particle is involved in chemical reactions?

• Proton

• Neutron

• Electron

• Both A and C

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Atoms are electrically neutral when

• They have a minimal charge.

• They have a balanced number of protons and neutrons.

• They have a balanced number of protons and electrons.

• They have no valance electrons.

Tags

NGSS.HS-PS1-7

What happens to the electron distribution in a molecule when it is near another polarized molecule?

• It becomes more evenly distributed

• It shifts to create its own partial charges

• It becomes completely neutral

• It loses electrons