Structure of the Atom

1.All matter is made of what

• energy

• electrons

• compound

• atoms

Tags

NGSS.MS-PS1-1

2.The positive particles of an atom are

• neutron

• electron

• proton

• positron

Tags

NGSS.MS-PS1-1

3. The central region of an atom where its neutrons and protons are is its_________

• core

• nucleus

• electron cloud

• centre

Tags

NGSS.MS-PS1-1

4. electrons have this type of charge?

• positive

• negative

• neutral

Tags

NGSS.MS-PS2-3

5.Who discovered the electron?

• dalton

• rutherford

• thompson

• milikan

6.which subatomic particles in the atom have no charge (they are neutral)?

• proton

• electron

• neutron

7 smallest part of an element that has all of the properties of that element.

• nucleus

• gem

• mineral

• atom

Tags

NGSS.MS-PS1-1

8.Which subatomic particles are much smaller than the others and have a negative charge?

• proton

• electron

• neutron

9.Who stated that atoms cannot be divided?

• rutherford

• dalton

• bohr

• thomson

10.In an atom, electrons move in definite orbits around the nucleus.

• dalton

• neil bohr

• thompson

• rutherford