Section 8 Flame test

Sodium

• red

• orange

• yellow

• green

Lithium Flame Test?

• red

• orange

• yellow

• green

strontium

• red

• yellow

• orange

• blue

When heated, electrons are ____________.

• annoyed

• irritated

• excited

• angered

Tags

NGSS.HS-PS1-5

The most important concern in this lab is...

• finding some way blame any mistakes on your partners
• being very careful not to burn yourself, your partners, or the school down
• not irritating me

Metal ion with a lilac flame

• Na⁺
• K⁺
• Na²⁺
• K²⁺

If electrons gain energy they 

• move up one or more shells
• more down one or more shells

Absorption of energy by an electron results in 

• it moving from the ground to an excited state
• it moving from an excited to the ground state
• the emission of a photon
• it moving from an excited to the ground state and the emission of a photon

Tags

NGSS.HS-PS1-2

What charge does an electron have?

• Negative
• Positive
• Neutral

Tags

NGSS.HS-PS2-4

An atom becomes _______ when it loses electrons.

• Positive
• Negative
• Neutral
• Invinsible

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-1