PencilGoPencilGo

Science Concepts and Evidence

Grade 10 · On-level practice · 8 questions · Version PG-44R-1AI3

1.

What type of bond transfers electrons?A. Atoms of each element B. Atoms of one element with different neutron counts C. It increases D. Ionic bond

2.

What type of bond shares electrons?A. Covalent bond B. 6.022 x 10^23 particles C. Atoms of one element with different neutron counts D. It increases

3.

What must a balanced chemical equation conserve?A. Atoms of one element with different neutron counts B. An acidic solution C. Atoms of each element D. 6.022 x 10^23 particles

4.

What is a mole?A. Atoms of each element B. It increases C. 6.022 x 10^23 particles D. Ionic bond

5.

What does an atomic number count?A. Covalent bond B. Protons C. Atoms of one element with different neutron counts D. Ionic bond

6.

What happens to reaction rate when temperature usually rises?A. It increases B. An acidic solution C. Covalent bond D. Ionic bond

7.

What is an isotope?A. Covalent bond B. Atoms of each element C. An acidic solution D. Atoms of one element with different neutron counts

8.

What does pH below 7 indicate?A. An acidic solution B. Ionic bond C. Covalent bond D. Atoms of one element with different neutron counts

How to use this skill

Grade 10 science practice based on published U.S. learning expectations, with reproducible original variations.

Worked example

Read the direction, identify the assessed skill, solve or cite evidence, and check the response.

Common mistake

Using a memorized procedure without checking what the question asks.

Helpful hint

Name the standard skill before answering.

Standards source

NGSS: HS-PS1. View official framework

These are original PencilGo questions aligned to the cited learning expectations; they are not copied from a school or publisher workbook.

More free printable versions

Choose a difficulty and print one of twenty reproducible versions. Each page contains a real worksheet preview, answers, teaching notes, and its own permanent link.