Groups
What group is made up of elements that are hard, shiny, and good conductors of heat and electricity?
Transition Metals
How many elements are in the periodic table?
118
What Does the atomic number stand for?
The number of protons in a nucleus
What is the center of an atom?
The nucleus
What group is made up of elements that are found in DNA, proteins, and fats?
Carbon
What are the rows in the periodic table called?
Periods
what is the measurement for atomic mass?
AMU
what is the weight of one neutron or proton?
1 amu
What group is made up of elements that are so reactive, shiny, and soft?
Alkali Metals
Elements with similar characteristics are classified into what?
Groups
What is the letter that represents a element?
Chemical Symbol
What type of charge do the electrons on the outside of the nucleus have?
Negative charge
What group is made up of elements that are hard, dense, reactive, and melt at high temperatures?
Alkaline Earth Metals
What is the number that arranges the elements in increasing order on the table?
Atomic number
What is the highest atomic mass we know of?
294 amu
What do you call the sum of all the neutrons and protons?
Atomic mass
What group is made up of elements that have high strength, and light weight?
Boron Family
What are the letters representing elements on the table?
Element symbol
What do the elements colors stand for?
Different Elements Groups
What do you call an atom that has the same number of protons as an element, but different number of neutrons.
Isotopes