Atomic Structure

What is located in the nucleus of the atom?

• protons and electrons

• protons and neutrons

• electrons and neutrons

• protons

What is located in the shells of the atom?

• protons

• electrons

• neutrons

• protons and electrons

What charge does a proton have?

• positive

• negative

• neutral

What charge does a neutron have?

• positive

• negative

• neutral

What charge does an electron have?

• positive

• negative

• neutral

Where would you find most of the mass in a atom?

• nucleus

• shells

• atomic number

Which statement is true?

• protons and neutrons are the same size

• positive ions have gained electrons

• negative ions have lost electrons

• electrons are larger than protons

What is an ion?

• a charged atom

• a neutral atom

• atoms with different number of neutrons

• atoms that have lost protons

Atoms of the same element with different number of neutrons is called what?

• ion

• isotope

• tritium

• positive

Which of the following is the correct configuration for Mg?

• 1s²2s²2p⁶3s²

• 1s²2s²2p⁶3s¹

• 1s²2s²2p⁶

• 1s²2s²2p⁶3s²3p⁴