SC ATOMS AND ELEMENTS

all matter is made of what 

• energy

• electrons

• compounds

• atoms

The positive particles of an atom are 

• electron

• neutron

• positrions

• protons

the central region of an atom where its neutrons and protons are is its 

• nucleus

• electron clouds

• core

• centre

an atom with atomic number 6 would have how many protons 

• 6

• 3

• 12

• can't be determined

Particles in an atom that are neutral and have no charge are 

• negratons

• electrons

• neutrons

• protons

What is the number of protons that the element in this image contain?

• 14

• 15

• 7

• 18

What is the atomic mass of "F"

• 9

• 17

• 18

• 19

What is the atomic number for an element with three protons?

• 2

• 3

• 1

• 6

A particle that moves around the nucleus is a(n)...

• proton

• electron

• neutron

• quark

In the modern periodic table elements are arranged by:

• atomic mass

• valence electrons

• atomic number

• number of isotopes