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Physical and Chemical Reactions
Parts of an Atom
Grab Bag
Matter
Periodic Table
100

Name one sign that a chemical change has taken place.

Formation of a new substance and/or gas Temperature, color, or odor has changed
Something is Burning
Light is Being Produced

100
The inner part of an atom that contains the proton and the neutron is called the __________.
Nucleus
100

Which element has the atomic mass of 270?

Bohrium

100

Anything that has mass is called ______.

matter

100
Atomic numbers of an atom are the same as the number of what in an atom?
protons
200

What does a catalyst do in a reaction?

Initiate it or speed it up

200
These particles have a positive charge and are found inside the nucleus.
proton
200

Name an example of a synthetic material

plastics, medicines, fuels

200
The smallest pieces of matter are called __________.
atoms
200
Carbon's atomic number is _______.
6
300

T or F:

New substances are formed in physical reactions.

False

300
These particles are located within the nucleus, and have no charge.
Neutron
300

What happens when an egg sits in vinegar for hours?

The outside membrane disintegrates and the egg becomes bouncy and semi-translucent.

300

Which state of matter has the lowest energy?

solid

300

Who is said to have created the Periodic Table?

Dimitri Mendeleev

400

What is the Law of Conservation of Mass?

Matter is not created or destroyed but is instead rearranged to form new substances.

400
These particles are negatively charge and are found outside the nucleus.
electrons
400

What happens to the various states of matter when a bath bomb is introduced to water?

The solid bath bomb becomes gas and dissolved in liquid.

400

What is a liquid called when it dissolves a solid?

solvent

400
Why does hydrogen have an atomic number of 1?
because it only has one proton
500

Name 3 observable properties of matter.

density, color, boiling point, luster, malleability, solubility, mass, volume, temperature, odor, conductivity, etc.

500
Most of the mass of an atom is located here.
nucleus
500

How much wood would a woodchuck chuck if a woodchuck could chuck wood?

700 pounds

500

Which state of matter has the highest energy?

gas

500

The atoms as represented on the Periodic table are ______ charged.

neutrally