Unit 4 (Compounds) Review without Naming

What are positively charged ions called?

• electrolytes

• cations

• anions

• onions

An ionic compound whose aqueous solution conducts electricity is called a(n)

• electrolyte

• ion

• delocalized electron

• lattice energy

Tags

NGSS.HS-PS1-3

Which compound from the choices would have the highest lattice energy?

• NaBr

• RbBr

• LiBr

• CsBr

Tags

NGSS.HS-PS1-3

Which combination describes covalent compounds?

• Metal atoms only

• Metal-Non-metal

• Non-metal- Non-metal

• Non-metal atoms only

Tags

NGSS.HS-PS1-1

What is the name for two or more atoms joined by a covalent bond?

• formula unit

• molecule

• compound

• alloy

Tags

NGSS.MS-PS1-1

What affects the amount of lattice energy in a compound?

• Size of the ions

• Charge of the ions

• Size and charge of the ions

• Neither size nor charge of the ions

In a double covalent bond, there are ___.

• two sigma bonds

• two pi bonds

• one sigma and one pi bond

• two sigma and two pi bonds

The distance between two covalently bonded atoms is 1.34 x 10^-15 m. How would a bond of 1.23 x 10^-14m compare to that bond?

• It is stronger

• It is weaker

• It is the same strength

• It is impossible to determine

Tags

NGSS.HS-PS1-4

Which of the following is NOT an alloy?

• Chrome

• Brass

• Selenium

• Stainless Steel

In a single covalent bond, ____ electrons are shared.

• 1

• 2

• 4

• 6