THIRD QUARTER REVIEW SCIENCE 8 SY 2023-2024

How many protons, neutrons and electrons are in the neutral atom of Cl 17 35 ____?

• A. 17 Protons, 15 Neutrons And 17 Electrons          

                     

•   B. 17 Protons, 17 Neutrons And 17 Electrons

• C. 17 Protons, 17 Neutrons And 18 Electrons

• D. 17 Protons, 18 Neutrons And 17 Electrons

How do we call the protons and neutrons that are found together in the nucleus?

• Nuclei

• Nucleons

• Atomic Mass

• Mass Number

All of the following are phases (states) of matter EXCEPT.

• Solid

• Liquid

• Gas

• Energy

Which of the following statements concerning subatomic particles is correct?

• Three fundamental types exist, all of which are charged.

• Three fundamental types exist, one of which is charged.

• Three fundamental types exist, two of which are charged.

• Three fundamental types exist, none of which are charged.

Why do elements within a group have similar chemical properties?

• The atoms have the same number of occupied electron shells.

• They have a similar configuration of outer-shell electrons.

• The atoms have a similar radius.

• Each element in the group has one more proton than the previous element.

Which of the following sample is a matter?

• Sound

• Gravity

• Ice

• Waves

Below is an outline of the periodic table with a number of elements represented only by the letters A to I is shown. Use these letters when answering this question. Which of the following elements has the highest first ionization energy?

• Element H

• Element I

• Element B

• Element A

Which statement best describes why the particles of gas have more ability to move randomly?

• Fixed arrangement of particles.

• Limited spaces between particles.

• Large distance between particles.

• Spaces exist between particles.

This matter has a fixed shape and volume with particles closely packed together with little movement.

• Liquid

• Solid

• Gas

• Energy

Where in the periodic table do metals mainly occur?

• On the left

• On the right and in the middle

• On the right

• On the left and in the middle