Atomic Theory
Bonds 1
Wild Card
Bonds 2
Safety and experimental design
100

The negative particle that can be found outside of the nucleus.

What is an electron?

100

When electrons are shared between two or more atoms.

What is a covalent bond?

100

A claim that is the basis for a scientific question.

What is a hypothesis?

100

This type of IMF is present in all molecules.

What are LDFs?

100

There are this number of fire blankets in room C16.

What is 3?

200

The outermost electrons on an atom.

What are valence electrons?

200

Covalent bonds DO NOT form between this type of element.

What are metals?

200

The least harmful type of radiation.

What is alpha radiation?

200

CO2 has this number of total valence electrons.

What is 18?

200
Scientists do this motion to smell chemicals is a lab without directly inhaling a solvent.

What is waft?

300

Atoms with the same number of protons but a different number of neutrons.

What are isotopes?

300

When electrons are shared unequally in a bond.

What is polar?

300

A reversible change that does not alter the identity of a substance.

What is a physical change?

300

An intermolecular force that only exists between polar molecules with a N-H, F-H, or O-H bond.

What is a hydrogen bond?

300

The variable that is changed in an experiment.

What is an independent variable?

400

The element which has 17 protons, 17 electrons, and 17 neutrons.

What is chlorine?

400

Metal ions have this charge.

What is a postive charge?

400

Breaking an egg is an example of this type of change.

What is a physical change?

400

Xenon is a non reactive gas because it has this number of valence electrons.

What is 8?

400

In an experiment comparing plant growth where plants are watered with soda and water, the amount of sunlight all the plants get is this type of variable.

What is a constant?

500

The ion with 19 protons, 19 neutrons, and 18 electrons.

What is a potassium ion?

500

The rule that states all atoms want a full valence shell.

What is the octet rule?

500

This particle does not contribute to the mass number of an element.

What is an electron?

500

HBr does not have this type of IMF.

What is hydrogen bonding?

500

In an experiment comparing plant growth where plants are watered with soda and water, the rate of growth of the plants is this type of variable.

What is the dependent variable?