Chemistry Comprehensive Review

Which subatomic particle determines the identity of an element?

• Nucleus

• Proton

• Electron

• Neutron

An atom with 11 protons, 12 neutrons, and 11 electrons is:

• Magnesium-23

• Sodium-23

• Neon-11

• Sodium-11

Tags

NGSS.HS-PS1-1

Which of the following is a chemical property?

• Melting point

• Reactivity with acid

• Density

• Color

Which of the following is a physical change?

• A. Baking bread

• B. Melting ice

• C. Burning wood

• D. Rusting iron

As you move left to right across a period, atomic radius:

• Increases

• Decreases

• Stays the same

• Becomes zero

Which element has the highest electronegativity?

• Oxygen

• Fluorine

• Chlorine

• Helium

Ionization energy tends to:

• Increase across a period and decrease down a group

• Decrease both across a period and down a group

• Stay the same across the periodic table

• Decrease across a period and increase down a group

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

An isotope with more neutrons than protons will be:

• Stable

• Radioactive

• Electrically neutral

• A gas

Tags

NGSS.HS-PS1-8

Which of the following is a metal?

• Bromine

• Silicon

• Iron

• Oxygen

Which of the following is a characteristic of metals?

• Found on the right side of the periodic table

• Poor conductors

• Malleable and shiny

• Brittle and dull