Practice: Atomic Structure 2

How many neutrons does the isotope of lithium have?

• 8
• 3
• 5

If a hydrogen atom has 1 proton, 1 electron, and 1 neutron, its atomic number is:

• 1
• 2
• 3

How many protons does this isotope of titanium have?

• 48
• 22
• 26

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

• 16
• 32
• 48

What is the name of the pictured isotope?

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

Which of the following are isotopes?

a) ¹⁴ ₇X b) ¹⁴ ₆X c) ¹⁵ ₇X d) ¹⁵ ₈X

• a) and b)

• a) and c)

• c) and d)

• a) and d)

The nucleus of an atom is made up of ___________________.

• Protons and Neutrino

• Neutrons and Electrons

• Protons and Neutrons

• Protons and Electrons

Which subatomic particle has a negative charge in the atom?

• proton

• neutron

• electron

• quark

ALL atoms of the same element have:

• same number of proton

• same number of nucleon

• different number of neutron

• different number of electron

Which of the following does not have an electrical charge?

• Neutron

• Electron

• Neuron

• Proton