Electron theory

Question 1

What is everything made of?

Answer 1

Molecules.

Question 2

What is a molecule made of?

Answer 2

a nucleus containing protons and neutrons, the electrons will be moving around the nucleus

Question 3

What is an atom made of?

Answer 3

an atom is made of protons orbitiing electrons.

Question 4

What charge does a proton have?

Answer 4

Positive.

Question 5

What charge does an electron have?

Answer 5

negative.

Question 6

what charge does a neuron have?

Answer 6

a neutral charge.

Question 7

How many protons and electrons are in a neutral atom?

Answer 7

The same ammount of protons and electrons.

Question 8

What is the simplest atom?

Answer 8

Hydrogen with 1 proton and 1 electron.

Question 9

What is the heaviest atom?

Answer 9

Uranium with 92 protons balanced by 92 electrons.

Question 10

How many protons and electrons does the copper atom have?

Answer 10

29 protons and 29 electrons.

Question 11

What is current?

Answer 11

The Flow of electrons.

Question 12

How do electrons flow?

Answer 12

Negative to positive.

Question 13

How does convectional current flow?

Answer 13

Positive to negative.

Question 14

How is current measured?

Answer 14

Amps (A)

Question 15

What makes a good condutor?

Answer 15

If there are free electrons in the outer shell.

Question 16

What are materials with free electrons in good at?

Answer 16

they are good conductors.

Question 17

What are materials with no free electrons in good at?

Answer 17

They are good insulators.

Question 18

What makes a good insulator?

Answer 18

When there are no free electrons.

Question 19

What is battery voltage known as?

Answer 19

Potential Difference (PD) measured in volts