Chemistry Quiz

______ devised the periodic table of elements.

• Mendeleev
• Mendel

• Bohr

Each carbon can bond with as many as ________ other atoms or molecules.

• two

• four

• six

Tags

NGSS.HS-LS1-6

Which of the following is the fundamental unit of matter?

• the atom

• the cell

• the electron

Tags

NGSS.MS-PS1-1

In an ionic bond, which element gains electrons?

• the noble gas

• the nonmetal

• the metal

How are double bonds formed?

• Double bonds form any time carbon is involved in a bond.

• Double bonds form when two pairs of electrons are shared.

• Double bonds form when p orbital electrons are shared.

Which type of bond represents a weak chemical bond?

• hydrogen bond

• ionic bond

• covalent bond

Which type of group is more complex than amino groups?

• phosphate group

• sulfhydryl group

• hydroxyl group

Which of the following is more structurally complex than a hydroxyl group, but is not charged?

• amino group

• sulfhydryl group

• methyl group

A polar carbonyl functional group is the only functional group bound to _______ organic molecules.

• one

• two

• three

Which functional group is basic?

• phosphate

• carboxyl

• amino