Atoms Atoms Atoms

about atoms

100

What is all matter made of? 

Atoms! 

200

What is a pure Substance?

a type of matter that is only made of a single type of atom. 

300

What two parts of an atom are found in the atom's Nucleus? 

Proton and Neutron

400

Where would you look to find an atom's electrons? 

Energy levels, rings around the atom, or the electron cloud. 

500

Which part of an atom (proton, neutron, or electron) determines the type of atom it is? 

Proton # determines type of atom.

Atomic Structure

100

What is the meaning of the word atom?

What is : not about to be divided

200

The positively charged particle

What is : A proton

300

The smallest unit of an element that can exist either alone or in combination with other such particles of the same or different elements is the _____

What is : atom

400

In an atom, which has the least mass? A: nucleus B: proton C: neutron D: electron

What is : electron

500

What do we use to determine the number of protons plus the number of neutrons in the nucleus of an atom?

What is : The atomic mass

vocab words

100

Neutron is _______ charged

What is : uncharged/ neutral

200

electrons are _____ charged 

What is : negatively

300

What number would you look for to find how many protons and electrons an element has? 

the atomic number (small number on top of box). 

400

The sum of protons and neutrons in the nucleus.

What is : atomic mass

500

An atom is electrically neutral because

What is :the numbers of protons and electrons are equal.

Periodic Table stuff

100

A carbon atom with 6 protons, 6 electrons and 6 neutrons would have a mass number of?

What is : 12

200

If hydrogen-1 has 1 proton, how many protons does hydrogen-2 have?

What is : 1

300

Chlorine has atomic number 17 and mass number 35. How many neutrons are in it's nucleus?

What is : 18 neutrons

400

This element has the symbol Hg

What is Mercury?

500

The atomic number of Tungsten

What is : 74

Random

100

what two particles make up an atom's nucleus?

What is : protons and neutrons

200

How does the mass of an electron compare to the mass of protons and neutrons?

What is : It is much smaller

300

The number of electrons that the first shell can hold

What is : 2

400

 A substance that is made up of only one kind of atom is a(an)

What is : element

500

What is the symbol for aluminum

What is: Al

Counting atoms

100

How many atoms of carbon are in CaCO₃?

1

200

How many atoms of hydrogen are in C₁₂H₂₂O₁₁?

22

300

How many atoms are in the molecule 4(MgCO₃)?

20

400

How many atoms in the molecule Cu₂(OH)₂CO₃?

10

500

How many atoms in the molecule (C₉H₈O₄)₂?

42