2.1 Study Guide

Question 1

What is the position of protons?

Answer 1

The nucleus.

Question 2

What is the position of Neutrons?

Answer 2

The nucleus

Question 3

What is the position of electron?

Answer 3

Orbits around nucleus

Question 4

What is the mass of a proton?

Answer 4

1 amu

Question 5

What is the mass of a neutron?

Answer 5

1 amu

Question 6

what is the mass of a electron?

Answer 6

0 amu

Question 7

What is the charge lf a proton?

Answer 7

+1

Question 8

What is the charge of a neutron?

Answer 8

0

Question 9

What is the charge of an electron?

Answer 9

-1

Question 10

What is the function of a proton?

Answer 10

They determine the atomic number of an element.

Question 11

What is the function of a neutron?

Answer 11

Required to stabilize the nuclei.

Question 12

What is the function of an electron?

Answer 12

They form chemical bonds.

Question 13

Why can isotopes be useful in scientific research?

Answer 13

We can use isotopes to find out how old fossils are.

Question 14

what is an isotope?

Answer 14

a type of atom that retains all chemical properties of an element.

Question 15

what element has 13 protons, 13 neutrons, and 10 electrons? What is the atomic mass? What is the charge?

Answer 15

Aluminum, 26, +3

Question 16

How many protons, neutrons, and electrons are in beryllium, atomic mass of 9,and an ion charge of +2?

Answer 16

approximately 4 protons, 4 neutrons, and 4 electrons.