8. Which statement about the atomic nucleus is correct?

The nucleus is made of protons and neutrons and has a positive charge

The nucleus is made of protons and neutrons and has a negative charge

The nucleus is made of electrons and has a positive charge

The nucleus is made of electrons and has a negative charge

Match the following characteristics with the order of elements in the periodic table.

the number of protons in the nucleus

the electric charge of the nucleus

the number of neutrons in the nucleus

Oxygen's atomic number is 8. This number tells us that there are in its nucleus.

a total of eight protons and neutrons

a total of eight neutrons and electrons

15. Which area of the periodic table are Carbon and other nonmetals found?

in the middle column of the periodic table

16. Matter is defined as anything that...

contains kinetic or potential energy

18. Consider the chemical formula for water, H₂O. How many atoms of each element does water contain?

two hydrogen atoms and one oxygen atom

two hydrogen atoms and two oxygen atoms

two hydrogen atoms and zero oxygen atoms

one hydrogen atom and two oxygen atoms

20. What is wrong with the electron dot structure for Nitrogen?

N has fewer electrons that are shown.

nitrogen has more valence electrons than are shown.

the nitrogen needs to have 14 electrons in the structure.

the nitrogen has no protons shown in the structure.

24. A synthesis reaction is a reaction between at least two compounds in which...

a new, more complex compound is formed

one breaks down into at least two products

a compound is decomposed by an electric current

a compound burns in the presence of oxygen

27. Often atoms join so that each atom will have...

an outermost energy level that is full of electrons (octet)

an equal number of protons and electrons

more electrons that either protons or neutrons

29. An ionic bond is a bond that forms between...

one atom's nucleus and another atom's electrons

The electrons of two different atoms

Match the following descriptions with the type of intermolecular force they involve.

bonding by transferring electrons

slightly positive and slightly negative poles

hydrogen atoms that are involved in a bond

(M)Physical Science Semester I Final Exam 2024

Quiz

•

others

•

Practice Problem

•

Hard

Susan Kedrowski

Used 10+ times

FREE Resource

37 questions

Show all answers

1.

OPEN ENDED QUESTION

30 sec • Ungraded

First name

Evaluate responses using AI:

OFF

2.

OPEN ENDED QUESTION

30 sec • Ungraded

Last name

Evaluate responses using AI:

OFF

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1. How should long hair in a laboratory be kept?

tied back

cut short

held away from the experiment with one hand

always neatly groomed

4.

DROPDOWN QUESTION

30 sec • 1 pt

The temperature was approximately 5 degrees Celsius at (a) .

9:00 AM

10:00 AM

11:00 AM

12:00 PM

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

3. Which two times of day was the temperature the same?

7:00 AM and 7:00 PM

7:00 AM and 10:00 PM

10:00 AM and 7:00 PM

10:00 AM and 10:00 PM

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

4. Which year was the smallest number of pennies found.

1988

1989

1990

1991

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

5. Which gas is the most abundant in the atmosphere?

carbon dioxide

nitrogen

oxygen

hydrogen

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(M)Physical Science Semester I Final Exam 2024

37 questions

First name

Last name

1. How should long hair in a laboratory be kept?

The temperature was approximately 5 degrees Celsius at (a) .

3. Which two times of day was the temperature the same?

4. Which year was the smallest number of pennies found.

5. Which gas is the most abundant in the atmosphere?

The proportion of oxygen gas in the atmosphere is best represented by (a) percent.

7. According to the graph below, how many worms were 6 cm long?

8. Which statement about the atomic nucleus is correct?

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