Flame Tests

Which of the following is the positively charged particle that is found in the nucleus of an atom?

• proton

• neutron

• electron

• nucleus

Which of the following is the negatively charged particle found on the outside of the nucleus?

• proton

• neutron

• electron

• nucleus

Which of the following is the neutral particle found in the nucleus of an atom?

• proton

• neutron

• electron

• nucleus

When an atom gains or loses an electron, the atom is called a(n)

• electron

• ion

• particle

• nucleus

When an atom gains an electron, it forms a _____ ion.

• positive

• negative

• neutral

• explosive

When an atom loses an electron, it forms a _____ ion.

• positive

• negative

• neutral

• explosive

Which of the following are found in the nucleus of an atom?

• proton

• neutron

• electron

What is the net charge of an atom with 32 protons, 31 neutrons, and 28 electrons?

• +1

• +3

• -4

• +4

What is the net charge of an atom with 24 protons, 24 neutrons, and 26 electrons?

• +2

• 0 (neutral)

• -2

When an atom is at the ground state, it is...

• absorbing energy

• releasing energy

• exploding

• resting