Summative review

Covalent bond happens between

• Two metals

• Metal and non-metal

• Two non metals

• None of them

Ionic bond between

• Two metals

• Two non-metals

• Metal and non metal

• None of them

H₂o

• Polar

• Non-polar

• Both of them

• None of them

Electronic configuration

• Shows only valence electrons

• Shows all the electrons around the nucleus

• Same as dot diagram

• All answers are wrong

Noble gases

• Have eight electrons in the outermost energy level

• Don't form bonds

• In group 18 in periodic table

• All of the answers are correct

---------------------- are compounds with high melting point

• Covalent compounds

• Ionic compounds

Which compounds conduct electricity when they form solutions?

• Ionic compounds

• Covalent compounds

How many atoms of hydrogen does this compound have (3NH₃)?

• 3

• 1

• 6

• 9

When atoms lose electrons they form ---------

• Anions

• Cations

• Neutral atoms

• Compounds

The type of bond in this compound is

• Single covalent bond

• Double covalent bond

• Ionic bond

• None of them