The amount of protons and neutrons in an atom establish this.
What is the mass of an atom?
Vertical columns in the periodic table are called this
What are Groups?
This term means that a metal can be easily hammered or rolled into sheets
What is malleable?
The force of attraction between the opposite charges of the ions in an ionic compound.
What is an ionic bond?
The process of nuclear decay is called this
What is radioactivity?
What are neutrons?
Elements in a group share similar reactions. This is due to the same number of what in their outer energy shell.
What are electrons?
What is ductile?
The attraction that forms between atoms when they share electrons is known as what kind of bond?
The amount of time it takes for half the nuclei in a sample to decay.
What is a half-life?
The majority of the mass of an atom is located here.
What is the nucleus?
Horizontal rows in the Periodic Table are also called
What are periods?
Elements in Group 1 of the Periodic Table are also called _________ metals.
What are alkali?
True or False, Covalent bonds can form single, double or triple bonds?
What is true?
What element is often used to estimate the ages of plants and animal remains.
What is Carbon (the radioactive isotope Carbon-14)
This element has 6 protons
What is Carbon?
What is 18?
Pennies used to be made of primarily copper, but now are primarily what metal coated in copper?
What is Zinc?
What we used in class to break a covalent bond
What is electricity?
This device is often used to measure the amount of radiation by producing an electrical current.
What is a Geiger Counter?
What is Sodium?
These types of elements separate the metals from the nonmetals on the Periodic Table of Elements
What are the metalloids?
This is a silvery, Liquid Metal that is also poisonous.
What is Mercury?
A molecule that has a slightly negative and a slightly positive end
What is a Polar molecule?
Name the 3 types of radiation in order from least harmful to most harmful
What are Alpha, Beta, Gamma?