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Periodic Table/Chemical Formulas Review

Periodic Table/Chemical Formulas Review

Assessment

Flashcard

Science

7th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

Student preview

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the atomic number of an element?

Back

The atomic number is the number of protons in the nucleus of an atom, which determines the element's identity.

2.

FLASHCARD QUESTION

Front

What does the atomic mass represent on the periodic table?

Back

The atomic mass is the weighted average mass of an element's isotopes, measured in atomic mass units (amu).

3.

FLASHCARD QUESTION

Front

How many protons does Boron have?

Back

Boron has 5 protons.

4.

FLASHCARD QUESTION

Front

What is the chemical symbol for Nickel?

Back

The chemical symbol for Nickel is Ni.

5.

FLASHCARD QUESTION

Front

Which element has the atomic number 14?

Back

Silicon has the atomic number 14.

6.

FLASHCARD QUESTION

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of one type of atom, while a compound is made of two or more different types of atoms chemically bonded together.

7.

FLASHCARD QUESTION

Front

What is the significance of the periodic table's arrangement?

Back

The periodic table is arranged by increasing atomic number, which reflects the periodic trends in element properties.

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