Ion Quiz Mod

Ion Quiz Mod

Multiple Choice

Protons are always equal to what number on the periodic table

• mass number

• atomic number

• Electrons + protons

Multiple Choice

The charge of a neutral atom is ______

• 0 charge

• -1

• +1

Neutral atoms Review

All atoms are in general are Neutral which means ___Protons = _electrons.To calculate the charge of an atom you use the formula: Protons - electrons = charge (because electrons are always negative) The overall charge of a neutral atom is 0 (zero) Positive charges = negative charges.

Multiple Choice

A neutral atom of sodium (Na) has how many protons and electrons. Use Periodic table https://ptable.com/#Properties

• 11 protons, 11 electrons

• 23 electrons, 11 protons

Multiple Choice

The protons are always equal to what number on the periodic table?

• Atomic number

• symbol

• Mass number

Multiple Choice

A neutral atom has 13 electrons what element is this? why? https://ptable.com/#Properties

• Magnesium because the protons are 12

• Carbon because the mass is almost 13

• Aluminum because the protons are 13

Ion Review

Sometimes atoms form Ions which means they either have more Protons or electrons and are not neutral anymore. They can only gain or lose electrons never protons.

2 Types of ions

An anion is a ion that has more electrons than Protons which gives it an overall negative charge. (Way to remember aNion has an N for negative in it) A cation is an ion that has more protons  than electrons which gives it a overall positive charge. “They are Pawsitive like a cat” You calculate the charge of an ion: Protons - electrons = charge.

Multiple Choice

What type of ion is it if it has a -1 charge?

• anion

• cation

Multiple Choice

What type of ion is it if it has a +1 charge?

• anion

• cation

Multiple Choice

What type of ion is it if it has a +3 charge?

• anion

• cation

Multiple Choice

What type of ion is it if it has a -2 charge?

• anion

• cation

Calculating charges review

• Protons - electrons = charge

• Electrons are negative that why in the formula you subtract electrons.

• Remember you can use a calculator either on google, computer, phone etc..

Multiple Choice

What is the charge of an atom with 9 protons and 10 electrons?

• -1

• +1

• +19

Multiple Choice

What is the charge of an atom with 12 protons and 10 electons?

• 22

• -2

• +2

Multiple Choice

What is the charge of an atom with 34 protons and 37 electons?

• -3

• + 3

Multiple Choice

What is the charge of an atom with 54 protons and 50 electrons?

• + 4

• - 4

• 104

Multiple Choice

A neutral atom has 15 electrons - How many protons does this element have?

• 12

• 11

• 15