Nitrogen forms a ________ bond with carbon.

Lithium (+1) forms a __________________ bond with Chloride (-1)

Carbon forms a _________ bond with hydrogen.

Calcium (+2) forms a _______ bond with Phosphate (-3)

An oxygen atom forms a __________ bond with another oxygen atom.

Atom X has a mass number of 12 and atomic number 6. How many covalent bonds can it form?

Atom Z is atomic number 11 and mass number 23. How many neutrons does atom Z have?

An atom with a mass number of 23 and atomic number 11 has a +1 charge. How many electrons does it have?

An atom that has a mass number of 40 and atomic number 20 has a +2 charge. How many electrons does it have?

What type of bond is shown in the diagram?

The image to the left shows two atoms equally sharing a pair of valence electrons.

What type of bond is this?

The bond between the oxygen and the hydrogen is a ______ bond

The dotted lines represent _____ bonds between the molecules.

_______ bonds occur between molecules and never between atoms.

The dotted lines between the DNA molecules represent _____ bonds.