Search for Life Unit Test

Search for Life Unit Test

Assessment

Flashcard

Science

10th 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 is the Lewis dot structure for water (H₂O)?

Back

The Lewis dot structure for water shows the oxygen atom in the center with two hydrogen atoms bonded to it, and two lone pairs of electrons on the oxygen.

2.

FLASHCARD QUESTION

Front

How many lone pairs surround the oxygen atom in water (H₂O)?

Back

2

3.

FLASHCARD QUESTION

Front

What type of bond is formed when metals bond with non-metals?

Back

Ionic bond.

4.

FLASHCARD QUESTION

Front

What is the name of BCl₃?

Back

Boron trichloride.

5.

FLASHCARD QUESTION

Front

How are electrons shared in a polar covalent molecule?

Back

Unevenly.

6.

FLASHCARD QUESTION

Front

What is a polar covalent bond?

Back

A type of bond where electrons are shared unequally between two atoms, resulting in partial positive and negative charges.

7.

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 electrons.

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