L3 - Atomic structure and ionic bonding

The number of protons and neutrons in the nucleus of an atom is called the ___________________.

• Mass number (or "atomic weight")

• Atomic number

• Electron number

• Nucleus number

The number of protons in an atom is called the ___________________.

• Mass number (or "atomic weight")

• Atomic number

• Electron number

• Nucleus number

How many electrons does this atom have?

• 2

• 4

• 6

• 10

This atom has...

• 4 Protons

  4 Electrons

  4 Neutrons

• 4 Protons

  4 Electrons

  5 Neutrons

• 5 Protons

  4 Electrons

  4 Neutrons

• 5 Protons

  4 Electrons

  5 Neutrons

The 'charge' on a proton is...

• +1

• -1

• 0

• P

What is an 'ion'?

• A particle found in the nucleus of an atom

• Something in the periodic table

• A tool you use for flattening clothes

• An atom that has lost or gained electrons

What is a 'bond' in chemistry?

• A ring around the nucleus which the electrons stay on

• A link that holds two atoms together

• A type of atom

• A particle with no charge

What do we mean by an atom's 'structure'?

• The particles it is made of and how they fit together

• Its overall weight

• How it will behave in certain situations

• How it fits into a block of material

'MgCl₂' is an example of a chemical _______ .

'Mg' and 'Cl' are both chemical _______.

• formula;

  symbols

• bond;

  symbols

• symbol;

  letters

• formula;

  acronyms

If two atoms are 'attracted' to each other, it means they....

• ...really like each other

• ...both feel a force pulling them together

• ...are touching each other

• ...cannot be separated