Ions & Isotopes (A)

Which answer choice describes the subatomic particles and their respective charges?

• p(-) e(+) n(0)

• p(+) e(0) n(-)

• p(+) e(-) n(0)

• p(-) e(+) n(0)

How many neutrons does an atom of the isotope Neon-22 have?

• 12
• 10
• 22
• 20

Tags

NGSS.HS-PS1-8

An atom is electrically neutral when

• protons and neutrons are the same
• protons and electrons are the same
• neutrons and electrons are the same
• neutrons balance the protons and electrons

How many electrons are in an atom that has an atomic number of 34, an atomic mass of 74 and a charge of -2?

• 34
• 36
• 2
• 40

Tags

NGSS.HS-PS1-1

What is the name of the pictured isotope?

• Copper-29
• Copper-63
• Copper-34
• CopperWopperHopperBopper

Tags

NGSS.HS-PS1-8

What is the name of the pictured isotope?

• Carbon-12
• Carbon-13
• Carbon-14
• Carbon-15

Tags

NGSS.HS-PS1-8

How many protons does this isotope of titanium have?

• 48
• 22
• 26
• 70

Tags

NGSS.HS-PS1-8

In what part of an atom can protons be found?

• inside the electron
• inside the neutron
• inside the atomic nucleus
• inside the electron shells

Tags

NGSS.MS-PS1-1

What is the mass number of bromine?

• 35

• 45

• 80

• 79.904

Tags

NGSS.HS-PS1-1

If a sulfur atom has 16 protons, 16 electrons, and 16 neutrons, its atomic mass is:

• 16
• 32
• 48
• 64

Tags

NGSS.MS-PS1-1