Exploring Chemical Reactions and Properties

What is the atomic number of Carbon?

• 6

• 12

• 14

• 8

Which element is located in Group 1 of the periodic table?

• Helium

• Sodium

• Oxygen

• Chlorine

Identify the type of bond formed between sodium and chlorine in sodium chloride.

• Covalent bond

• Ionic bond

• Metallic bond

• Hydrogen bond

Explain why noble gases are generally unreactive.

• They have a full outer electron shell.

• They have high electronegativity.

• They have low ionization energy.

• They are metals.

Predict the product of the reaction between hydrogen and oxygen.

• HCl

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What is the electron configuration of Neon?

Tags

NGSS.HS-PS1-1

Which of the following elements has the highest electronegativity?

• Fluorine

• Oxygen

• Nitrogen

• Carbon

Describe the trend in atomic radius as you move down a group in the periodic table.

• It increases.

• It decreases.

• It remains constant.

• It fluctuates.

What is the main reason for the increase in ionization energy across a period?

• Increase in atomic size

• Increase in nuclear charge

• Decrease in electron shielding

• Increase in electron affinity

Tags

NGSS.HS-PS1-2

Which of the following is a halogen?

• Argon

• Bromine

• Lithium

• Magnesium