5 Questions to answer please 1) Electrons are transferred in the formation of ______________ bonds. A) ionic B) covalent C) metallic D) all chemical 2) Which pair below describes isotopes of the s

5 Questions to answer please

1) Electrons are transferred in the formation of ______________ bonds.

A) ionic

B) covalent

C) metallic

D) all chemical

2) Which pair below describes isotopes of the same element?

A) an atom with 6 protons and 8 neutrons – an atom with 8 protons and 6 neutrons

B) an atom with 6 protons and 6 neutrons – an atom with 6 protons and 7 neutrons

C) an atom with 8 protons and 8 neutrons – an atom with 7 protons and 8 neutrons

D) an atom with 7 protons and 6 neutrons – an atom with 6 protons and 6 neutrons

3) Describe the composition of the nucleus of an atom.

A) It is composed of protons.

B) It is composed of protons and neutrons.

C) It is composed of protons and electrons.

D) It is composed of protons, neutrons, and electrons.

4) reactant → product

If there are 4 grams of reactant, how many grams of product are produced by the chemical reaction?

A) 0 grams

B) 2 grams

C) 4 grams

D) 8 grams

5) 2Na + Cl2 → 2NaCl

Sodium and Chlorine combine to form table salt. Given the chemical reaction, how many grams of 2Na + Cl2 would be required to produce 4 grams of table salt?

A) 2 grams

B) 3 grams

C) 4 grams

D) 8 grams