Miscellaneous Chemistry

Cl₂ is a/an

• atom

• compound

• molecule

• ion

Metallic character is the ability to _____________

• Gain electrons

• Become an anion

• Become a cation

• Lose electrons

The atomic symbol of Mercury is _________________

• Mg

• K

• Hg

• Sn

The chemical formula of sodium phosphate is ___________

• Na₂SO₄

• Na₃PO₄

• Na₂PO₄

• (Na)₃PO₄

which of these is acidic oxide?

• SO₂

• NaOH

• CaO

• BeO

The metal carbonates are _________ in nature.

• basic

• acidic

Covalent bonds are formed between the atoms of __________

• Metals

• Non metals

An element Q is in group 4, it contains 4 ______

• shells

• protons

• valence electrons

An element is in group 2 and period 3, it contains

• 2 valence electrons and 3 shells

• 2 shells and 3 valence electrons

choose the most reactive metal from the options

• Lithium

• beryllium

• Rubidium

• sodium