Covalent Bonding

Is Hydrogen considered a metal or a non-metal?

• Metal
• Non-metal

Tags

NGSS.HS-PS1-1

What two types of atoms make a covalent bond?

• 2 Nonmetals
• 1 Nonmetal and 1 Metal
• 2 Metals
• 2 Noble Gases

Tags

NGSS.MS-PS1-1

How are covalent bonds explained?

• When one atom takes the other atom's electron
• When the atom shares an electron with an another atom
• When the two nucleus merge
• When the neutrons leave the nucleus

Tags

NGSS.MS-PS1-1

In chemical compounds, covalent bonds form when

• the electronegativity difference between two atoms is very large.
• electrons are completely transferred between two metals.
• pairs of electrons are shared between two nonmetal atoms.
• two nonmetal atoms are attracted to each other by opposite charges.

What region of the periodic table contains atoms that form covalent bonds?

• the left side
• the middle
• the right side
• top left

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How are ionic bonds formed?

• When atoms share an electron
• When opposite charged atoms attract
• When one atom takes a proton
• When one atom takes a neutron

Tags

NGSS.MS-PS2-3

What would you name this molecule?

• SNa3
• H3O
• NaCl
• H2O

Tags

NGSS.MS-PS1-1

Why do atoms share electrons?

• To attain the electron configuration of a noble gas.
• To become ions and take a charge
• to increase the mass
• it's a nice thing to do.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many electrons are shared in a single covalent bond?

• 2 pairs

• 4

• 2

• 1

Tags

NGSS.HS-PS1-2

Which of the following is NOT formed by a covalent bond?

• K₂S
• H₂O
• I₂
• CO₂

Tags

NGSS.MS-PS1-5