Atom

all matter is made of what 

• energy 

• atoms 

• electrons 

• compounds 

Which element is this on the periodic table?

• 3^rd element

• 7^th element

• 13th element

• 6th element

What does the 1.00794 stand for?

• Hydrogen

• atomic number

• atomic mass

• atomic explosion

What is the smallest unit of matter that retains the identity of the substance?

• Molecule

• Atom

• Electron

• Proton

Who is known as the father of modern atomic theory?

• Albert Einstein

• Isaac Newton

• John Dalton

• Niels Bohr

Which ancient philosopher first proposed the idea of the atom?

• Aristotle

• Democritus

• Plato

• Socrates

What is the central core of an atom called?

• Electron

• Nucleus

• Proton

• Neutron

Which subatomic particle has a positive charge?

• Electron

• Neutron

• Proton

• Photon

What is the charge of an electron?

• Positive

• Negative

• Neutral

• Variable

Which subatomic particle is found in the nucleus and has no charge?

• Electron

• Proton

• Neutron

• Photon