Revision on ionic, Covalent and metallic bonding-Gr8

Ionic bonds are formed between the atoms of non-metals and

• Non metals

• metals

• metalloids

• none of the above

Metallic bonds are formed between the atoms of metals and

• non-metals

• metals

• none of the above

• all of the above

Covalent bonds are formed between the atoms of non-metals and

• metals

• metalloids

• non-metals

• none of the above

The measure of average kinetic energy of particles is

• pressure

• volume

• temperature

• all of the above

sodium chloride (NaCl) is table salt, sodium is a metal and chlorine is nonmetal, what kind of bonding exists between them?

• metallic

• covalent

• ionic

• Hydrogen

The number of electrons in the last shell of an element are equal to the _______________ number of the periodic table

• period

• group

Magnesium metal is in group two of the periodic table, the number of valence electrons present in the metal are

• 4

• 6

• 2

• 8

Tags

NGSS.HS-PS1-1

A metal named A contains 2 electrons in its last shell and a non-metal atom named B contains 1 electron in its last shell, the formula of the ionic compound formed will be ..............

• A₂B₂

• A₂B

• AB

• AB₂

Metal atoms always lose their electrons to become ..................ions

• negative

• positive

Non-metal atoms ..................... electrons to become ...................... ions.

• lose, negative

• gain, positive

• gain, negative

• None of the above