Atomic Structure
What are the three main subatomic particles of an atom?
Protons, neutrons, and electrons.
What is the first element on the Periodic Table?
Hydrogen.
What state of matter has a definite shape and volume?
Solid.
What type of bond involves the transfer of electrons?
Ionic bond.
What type of reaction combines two or more substances into one?
Synthesis reaction.
What part of the atom contains protons and neutrons?
The nucleus.
Which group contains the noble gases?
Group 18.
What process turns a liquid into a gas?
Evaporation.
What type of bond shares electrons between atoms?
Covalent bond.
What reaction breaks down a compound into simpler substances?
Decomposition reaction.
What is the charge of a neutron?
Neutral (no charge).
Which metal is liquid at room temperature?
Mercury.
What is the process of a solid turning directly into a gas?
Sublimation.
Which bond forms between metal atoms?
Metallic bond.
What type of reaction occurs when one element replaces another in a compound?
Single displacement reaction.
How do you calculate the number of neutrons in an atom?
Subtract the atomic number from the atomic mass.
What do elements in the same group have in common?
The same number of valence electrons.
Is melting ice a physical or chemical change?
Physical change.
What diagram represents valence electrons in an atom?
Lewis Dot Structure.
In what reaction do two compounds exchange ions?
Double displacement reaction.
What term describes an atom with a different number of neutrons than protons?
Isotope.
Which element has the atomic number 26?
Iron (Fe).
What state of matter has no fixed shape or volume?
Gas.
What rule states that atoms tend to have eight electrons in their outer shell?
The Octet Rule.
Which type of reaction involves a substance reacting with oxygen to produce heat and light?
Combustion reaction.