Chemistry Final Exam Grade 11 December 2024

Front

What is the formula for iron(II) chloride?

Back

FeCl2

Front

What type of electrons can transition elements lose?

Back

Variable electrons

Front

Which acid is formed by the sulfate ion (SO₄²⁻)?

Back

H₂SO₄

Front

What do Group 0 elements not form?

Back

Compounds

Front

What does the octet rule state about covalent compounds?

Back

They are most stable when each atom has eight electrons.

Front

Define transition elements.

Back

Elements that can lose different numbers of electrons, typically found in the d-block of the periodic table.

Front

What is the charge of the sulfate ion?

Back

-2

Front

What is the significance of the octet rule in chemical bonding?

Back

It explains the tendency of atoms to prefer having eight electrons in their valence shell.

Front

What is the formula for sulfuric acid?

Back

H₂SO₄

Front

What is the common oxidation state of iron in iron(II) chloride?

Back

+2