Flame Test Pre-Lab

What is the state when electrons move to a higher energy level upon absorption of energy?

• active

• inactive

• excited

• ground

What particles in the heated compounds are responsible for the production of the colored light?

• proton

• neutron

• electron

• proton and neutron

Tags

NGSS.HS-PS1-2

NGSS.HS-PS4-3

NGSS.HS-PS4-4

A proton has what type of charge?

• Negative

• Neutral

• Positive

• Static

A Neutron has what type of charge?

• Positive

• Neutral (No Charge)

• Negative

• electric

An Electron has what type of charge?

• Positive

• Neutral

• Negative

• Electric

Tags

NGSS.HS-PS2-4

In the picture, Which of these represents electrons?

• A

• B

• C

• D

Tags

NGSS.HS-PS1-1

What is significant about ROY G BIV?

• He discovered atoms.

• It gives the orders of the colors

• He discovered electrons

• It helps you figure out the charge on an atom

Tags

NGSS.HS-PS4-3

The two big circles in the picture represent

• Energy levels

• The nucleus

• Planets

• Boundaries of the atom

How do electrons become excited?

• Emitting light/energy

• Absorbing light/energy

• Going down an orbital/energy level

• Going up an orbital/energy level

Tags

NGSS.HS-PS1-4

NGSS.HS-PS4-3

What form of energy is emitted when an excited electron returns to the ground state?

• Photon (light)

• Heat

• Kinetic

• Potential

Tags

NGSS.HS-PS4-3