Question 1

According to John Dalton's atomic theory, atoms of different elements differ in ______.

Accepted Answer

size, mass and other properties

Question 2

According to Dalton's atomic theory, can atoms be subdivided, created, or destroyed?

Accepted Answer

No

Question 3

Atoms of different elements combine in ______ to form compounds.

Accepted Answer

simple whole number ratios

Question 4

What did Thomson call the subatomic particles he discovered?

Accepted Answer

corpuscles

Question 5

According to Rutherford, what is the nucleus made up of?

Accepted Answer

protons and electrons

Question 6

What problem did Bohr's planetary model of the atom have?

Accepted Answer

The electrons would lose energy over time and collide with the nucleus

Question 7

According to the Bohr model, where can electrons orbit in an atom?

Accepted Answer

certain specific orbits

Question 8

Who believed that matter could not be divided endlessly?

Accepted Answer

Democritus

Question 9

What did Mendeleev create?

Accepted Answer

A periodic table

Question 10

What did Mendeleev do when an element didn't fit his pattern?

Accepted Answer

He skipped it, expecting it to be found later.

Related quizzes