Atoms Atoms Atoms

The Guys behind it all

100

Which of the following was one of Dalton's ideas? a: All substances are made of atoms B: Atoms can be divided C: Atoms can be destroyed d: some substances are made of atoms

What is : A: All substances are made of atoms

200

What did Rutherford believe was in the center of an atom?

What is : A nucleus

300

What particle did J.J. Thomson discover?

What is : electron

400

The plums in Thomson's plum-pudding model of the atom represent:

What is :electrons

500

What did Bohr, Democritus, Thomson, Dalton, and Rutherford all have in common? A: They each identified the electromagnetic force of atoms B: They each identified new electron clouds C: They each developed ideas about atoms D: They each conducted experiments with ions

What is : C: They each developed ideas about atoms

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 and were discovered by ____________

What is : negatively, Thomson

300

The current atomic theory includes the ________ model

What is : Bohr

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