Flame Test

Which block model could represent SrCl₂?

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Tags

NGSS.HS-PS1-3

Which block model could represent Na₂SO₄?

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Tags

NGSS.MS-PS1-1

A fellow student of yours thought that flame color was based on the element written at the beginning of the compound. Which statement would give evidence to support their claim?

• The flames of LiCl and and NaCl are the same colour

• The flames of LiCl and NaCl are different colours

• The flames of Na₂SO₄ and NaCl are different colours

• The flames of Na₂SO₄ and CuCl₂ are the same color

A fellow student of yours thought that flame color was based on the element written at the end of the compound. Which statement would give evidence to support their claim?

• The flames of LiCl and and NaCl are the same color

• The flames of LiCl and NaCl are different colors

• The flames of Na₂SO₄ and NaCl are different colors

• The flames of Na₂SO₄ and CuCl₂ are different colors

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

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⁺

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2