# Atom Test, Physical Science Test/ Review For Midterm

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Bluesoc12
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Questions: 5 | Attempts: 934

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The study of science is an endlessly complex one, but in this quiz our aim is to help teach you some of the basics of a number of the most important topics in the whole study – including atoms and the periodic table. What can you tell us about all of it? Let’s find out!

• 1.

### What is a Hypothesis?

• A.

A prediction

• B.

An educated guess

• C.

A guess in If...Then...Because format

• D.

Something in If...Then...Because format

• E.

A prediction in If...Then...Because format

E. A prediction in If...Then...Because format
Explanation
A hypothesis is a prediction that is formulated using the If...Then...Because format. This format allows for a clear and logical explanation of the expected outcome based on the conditions or variables involved. By using this format, a hypothesis provides a framework for testing and analyzing the validity of the prediction.

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• 2.

### What plus what equals the atomic mass?

• A.

N+p

• B.

E+p

• C.

N+e

• D.

Z+a

• E.

Z+p

A. N+p
Explanation
The atomic mass is determined by the sum of the number of neutrons (n) and the number of protons (p) in an atom's nucleus. Neutrons and protons contribute to the mass of an atom, while electrons (e) do not significantly affect the atomic mass. Therefore, the combination of neutrons and protons (n+p) is what equals the atomic mass.

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• 3.

### What is the symbol for the atomic mass?

• A.

A

• B.

S

• C.

O

• D.

M

• E.

Z

E. Z
Explanation
The symbol for the atomic mass is "z". This is because the atomic mass of an element is commonly represented by the letter "z" in scientific notation. The atomic mass is the weighted average mass of all the isotopes of an element, taking into account their abundance. It is an important characteristic of an element and is used in various calculations and equations in chemistry and physics.

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• 4.

### What are isotopes?

• A.

The same amount of electrons but different neutrons

• B.

The same amount of neutrons but different electrons

• C.

The same amount of neutrons but different protons

• D.

The same amount of electrons but different protons

• E.

The same amount of protons but different neutrons

E. The same amount of protons but different neutrons
Explanation
Isotopes are atoms of the same element that have the same number of protons but different numbers of neutrons. This means that they have the same atomic number (which is determined by the number of protons) but different atomic masses (which is determined by the number of protons and neutrons combined). Isotopes have similar chemical properties due to the same number of electrons, but they may have different physical properties and stability due to the different number of neutrons.

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• 5.

### What were the four different types of metals?

• A.

Wood, nonwood, tin, iron

• B.

Gold,platnium, rubium, silver

• C.

Metal, nonmetal, transitions, metalliods

• D.

Metal, non-metals, tin, metalliods

• E.

Metal, nonmetals, transitional and metalliods

E. Metal, nonmetals, transitional and metalliods
Explanation
The correct answer is "metal, nonmetals, transitional and metalliods." This answer correctly identifies the four different types of metals as metal, nonmetals, transitional, and metalliods. These categories are commonly used in the field of chemistry to classify elements based on their properties and characteristics.

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• Current Version
• Mar 21, 2022
Quiz Edited by
ProProfs Editorial Team
• Jan 28, 2009
Quiz Created by
Bluesoc12

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