Sign up for FREE

PS1-1Lesson 2 FA 2

Last updated over 4 years ago

8 questions

1

1

1

1

1

1

1

Question 1

1.

What is the best definition for atomic composition?

Connections between each element

Found in the periodic table with elements of similar properties

Arrangement of atoms and their bonds in a substance

Types and numbers of elements that make up a substance

Question 2

2.

What is the best definition for chemical structure?

Connections between each element

Found in the periodic table with elements of similar properties

Arrangement of atoms and their bonds in a substance

Types and numbers of elements that make up a substance

Question 3

3.

What is the atomic difference between ammonia (NH3) and ammonium (NH4)?

The only difference is that they have different structures

Ammonium has one more hydrogen atom than ammonia.

Atoms in ammonia have stronger bonds than atoms in ammonium.

Question 4

4.

Explain a reason the same chemical formula would result in different molecules.

There are different numbers of each element

The elements/atoms are put together differently

The atoms are all of a a single element

There are the same numbers of each element

Question 5

5.

4. How many Carbon (black) Oxygen (red) and Hydrogen (white) atoms and bonds are shown?

3 Hydrogen, 1 Oxygen, 6 Carbon, 9 Bonds

3 Carbon, 1 Oxygen, 6 Hydrogen, 10 Bonds

1 Hydrogen, 3 Oxygen, 6 Carbon, 9 Bonds

6  Hydrogen, 3 Oxygen, 1 Carbon, 10 Bonds

Question 6

6.

How many bonds are there?

5

3

10

12

Question 7

7.

What is the chemical formula?

C6H3O

C3H60

CHO6

1

Question 8

8.

Which image is a model of H2O2?

A

B

C