12 Week Key Terms Reteach Tutorial

12 Week Key Terms Reteach Tutorial

Assessment

Flashcard

Science

9th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a covalent bond?

Back

A covalent bond is the sharing of electron pairs between atoms.

2.

FLASHCARD QUESTION

Front

How do you calculate the average atomic mass of an element with multiple isotopes?

Back

To calculate the average atomic mass, multiply the mass of each isotope by its relative abundance (as a decimal), then sum these values.

3.

FLASHCARD QUESTION

Front

What is the mass number of an atom?

Back

The mass number of an atom is the total number of protons and neutrons in its nucleus.

4.

FLASHCARD QUESTION

Front

What type of bond forms between a metal and a non-metal?

Back

An ionic bond forms between a metal and a non-metal.

5.

FLASHCARD QUESTION

Front

Which element is classified as a halogen?

Back

Fluorine is classified as a halogen.

6.

FLASHCARD QUESTION

Front

What is the difference between ionic and covalent bonds?

Back

Ionic bonds involve the transfer of electrons from one atom to another, while covalent bonds involve the sharing of electron pairs.

7.

FLASHCARD QUESTION

Front

What is an isotope?

Back

An isotope is a variant of a chemical element that has the same number of protons but a different number of neutrons.

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