CHEM Midterm Study Guide

CHEM Midterm Study Guide

Assessment

Flashcard

Chemistry

11th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What are valence electrons?

Back

Valence electrons are the electrons in the outermost shell of an atom that are involved in chemical bonding.

2.

FLASHCARD QUESTION

Front

How many valence electrons does an atom with 5 valence electrons have?

Back

5

3.

FLASHCARD QUESTION

Front

What type of decay occurs when an atomic nucleus emits an alpha particle?

Back

Alpha decay is a type of radioactive decay in which an atomic nucleus emits an alpha particle, consisting of 2 protons and 2 neutrons.

4.

FLASHCARD QUESTION

Front

What happens during nuclear fission?

Back

During nuclear fission, a heavy nucleus splits into two or more smaller nuclei, along with the release of energy.

5.

FLASHCARD QUESTION

Front

Define a compound in chemistry.

Back

A compound is a substance formed when two or more elements are chemically bonded together.

6.

FLASHCARD QUESTION

Front

What is the charge of an ion formed by losing two electrons?

Back

The ion would have a charge of 2+.

7.

FLASHCARD QUESTION

Front

What is the difference between an atom and a molecule?

Back

An atom is the smallest unit of an element, while a molecule is a group of two or more atoms bonded together.

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