Module 18 Chemical Bonds

Module 18 Chemical Bonds

Assessment

Flashcard

Science

10th Grade

Hard

Created by

X P

FREE Resource

Student preview

quiz-placeholder

20 questions

Show all answers

1.

FLASHCARD QUESTION

Front

An atom that has gained or lost electrons is called an ion.

Back

An ion can be either positively charged (cation) or negatively charged (anion).

2.

FLASHCARD QUESTION

Front

An atom is stable when its outer energy level is filled with electrons.

Back

This stability is often achieved through bonding with other atoms.

3.

FLASHCARD QUESTION

Front

A chemical formula tells what elements make up a compound and the ratios of the atoms of those elements.

Back

For example, H2O indicates two hydrogen atoms and one oxygen atom.

4.

FLASHCARD QUESTION

Front

A molecule that has a positive end and a negative end is a polar molecule.

Back

Water (H2O) is a common example of a polar molecule.

5.

FLASHCARD QUESTION

Front

A bond that forms between atoms when they share electrons is a covalent bond.

Back

Covalent bonds are typically found in organic compounds.

6.

FLASHCARD QUESTION

Front

A positive or negative number that is assigned to an element to show its combining ability in a compound is an oxidation number.

Back

Oxidation numbers help in determining how elements will react.

7.

FLASHCARD QUESTION

Front

A group of atoms with a positive or negative charge is a polyatomic ion.

Back

Examples include sulfate (SO4^2-) and ammonium (NH4^+).

Create a free account and access millions of resources

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

By signing up, you agree to our Terms of Service & Privacy Policy

Already have an account?