Science - Properties of materials Grade 9, Chemistry

Which is positively (+) charged?

• protons

• neutrons

• electrons

• nucleus

Which is negatively (-) charged?

• protons

• neutrons

• electrons

• nucleus

Which has no charge?

• protons

• neutrons

• electrons

• nucleus

Which made or protons and neutrons?

• protons

• neutrons

• electrons

• nucleus

Name the positively charged particle in an atom.

(a)  

Name the negatively charged particle in an atom.

(a)  

Name the particle in an atom with no charge.

(a)  

Name the centre of an atom made of protons and neutrons.

(a)  

Which group of the Periodic Table is called the Alkali metals?

• Group 1

• Group 2

• Group 7

• Group 8

Which group of the Periodic Table is called the Noble gases?

• Group 1

• Group 2

• Group 7

• Group 8