Chem A 24-25 Final

How many protons are in arsenic (As)?

How many electrons are in strontium (Sr)?

All wavelengths are visible to humans.

• Yes
• No
• Maybe

As energy increases, wavelength increases.

• Yes
• No
• Maybe

As frequency increases, energy increases.

• yes
• no
• maybe

Color can indicate the amount of energy present.

• yes
• no
• maybe

Atomic emission spectra can determine an element'

• mass
• identity
• color

When an electron gains energy, it is in its

• normal state
• ground state
• excited state
• energized state

When an electron loses energy, it is in its

• normal state
• ground state
• excited state
• energized state

p can hold ____ electrons.

• 2
• 6
• 10