Flame Test/Ions and Isotopes Quiz

What part of the atom gains energy from the flame and then loses it in the form of light?

• Proton

• Neutron

• Nucleus

• Electrons

How many neutrons are in an atom of carbon-14?

• 6

• 8

• 10

• 14

Tags

NGSS.MS-PS1-1

How many protons does this isotope of titanium have?

• 22

• 26

• 48

• 70

Tags

NGSS.MS-PS1-1

The number of protons + neutrons in an atomic nucleus is referred to as what?

• Atomic number

• Isotope number

• Mass number

Tags

NGSS.HS-PS1-8

Atoms of the same element with differing number of electrons are called ________.

• elements

• atoms

• ions

• isotopes

Which subatomic particle is used to identify the atom, as it never changes?

• protons

• neutrons

• electrons

Tags

NGSS.MS-PS1-1

Adding or subtracting neutrons (charge = 0, mass = 1) makes the element change into an...

• ion
• mixture
• isotope
• neutral atom

How many valence electrons does carbon have?

• 4

• 5

• 6

• 7

Tags

NGSS.HS-PS1-1

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

NGSS.HS-PS4-3

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

• proton

• neutron

• electron

• quart

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2