The first 5 elements

The symbol for Hydrogen is

• Hy

• h

• H

• hy

He is the symbol for

• Hydrogen

• Helium

• Lithium

• Beryllium

The atomic number for helium is

• 1

• 5

• 3

• 2

Which of the following correctly displays the symbol for lithium?

• li

• iL

• Li

• Il

Be is the symbol for the element

• Boron

• Beryllium

• Carbon

• Hydrogen

What is the symbol for the fifth element?

• b

• C

• B

• Be

The element with an atomic number of 4 is

• Hydrogen

• Helium

• Lithium

• Beryllium

Which of the following is NOT correctly matched with its mass number?

• H-1

• He-4

• Li-10

• Be-9

• B-11

Which of the first five elements are used in the production of fertilizers?

• hydrogen

• helium

• lithium

• boron

Boron is useful for

• the making of springs and aircrafts

• improving thinking skills

• rechargeable batteries

• welding metals