Warm-up: Flame Test & Bohr atomic model

Which subatomic particle is directly connected to the process of the flame test?

• proton

• neutron

• electron

• quart

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-1

Fireworks displays are the result of the emission spectrum of certain METAL atoms.

• True

• False

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-1

When an atom _______________ _____________, its electrons can use this energy to move to a higher energy level.

• releases energy

• absorbs energy

• emits radiation

• gets rid

What condition electrons are in EXCITED state and NOT stable.

• at lower energy level

• at higher energy level

• cannot be determined

• both lower and higher energy level

Otherwise known as a particle of light

• proton

• photograph

• photon

• neutron

Tags

NGSS.HS-PS4-3

Flame tests are most USEFUL in industry for

• blood testing

• watching fireworks

• identification of elements

• none of the above

The difference in ENERGY when electrons go back to its original energy state is given off by ___________.

• light

• protons

• atom

• elements

An electron may drop all the way back down to the ground state in one single step, emitting a ________ in the process.

• photon

• proton

• electron

• neutron

Tags

NGSS.HS-PS4-3

The color of Lithium atom in Flame test?

• dark pink or somewhat red

• green

• orange

• yellow

Boron in Flame Test?

• red

• orange

• yellow

• green