Atoms and Isotopes

Which is true about the following chlorine atom?

• 17 protons and 36 neutrons

• 17 protons and 19 electrons

• 17 protons and 19 neutrons

• 36 protons and 17 neutrons

Tags

NGSS.MS-PS1-1

Atomic mass is __________.

• a whole number

• protons + neutrons

• the mass found on the periodic table

• equal to the mass number of the most common isotope

Tags

NGSS.MS-PS1-1

Identify the number of protons, neutrons and electrons in Magnesium - 26.

• Protons = 12, Neutrons = 12, Electrons = 12

• Protons = 12, Neutrons = 14, Electrons = 12

• Protons = 14, Neutrons = 12, Electrons = 12

• Protons = 12, Neutrons = 12, Electrons = 14

Tags

NGSS.MS-PS1-1

Identify the number of protons, neutrons and electrons of Mg^-2

• Protons = 12, Neutrons = 12, Electrons = 12

• Protons = 14, Neutrons = 12, Electrons = 12

• Protons = 12, Neutrons = 14, Electrons = 12

• Protons = 12, Neutrons = 12, Electrons = 14

Which of the following is a nuetral atom of atoms?

• Carbon with a negative two charge (C^-2)

• Carbon-12

• Carbon-16

• Carbon with a positive two charge (C⁺²)

Which of the following is an isotope of Carbon?

• Carbon with a negative two charge (C^-2)

• Carbon-12

• Carbon-16

• Carbon with a positive two charge (C⁺²)

Tags

NGSS.HS-PS1-8

Which of the following is a result of neutral Carbon atom losing two electrons?

• Carbon with a negative two charge (C^-2)

• Carbon-12

• Carbon-16

• Carbon with a positive two charge (C⁺²)

If a neutral atom of Carbon gains or loses electrons it is now classified as

• an ion

• an isotope

• an atom

• an electron

Identify the number of protons, neutrons and electrons in a neutral atom of Oxygen.

• Protons = 8, Neutrons = 16, Electrons = 8

• Protons = 8, Neutrons = 8, Electrons = 8

• Protons = 8, Neutrons = 8, Electrons = 16

• Protons = 16, Neutrons = 8, Electrons = 8

Tags

NGSS.MS-PS1-1

Identify the number of protons, neutrons and electrons of Mg⁺²

• Protons = 12, Neutrons = 12, Electrons = 12

• Protons = 14, Neutrons = 12, Electrons = 12

• Protons = 12, Neutrons = 12, Electrons = 10

• Protons = 12, Neutrons = 12, Electrons = 14