Vocab I
The smallest unit of matter.
What is an atom?
Has mass and takes up space.
What is matter?
The top number for each element in the Periodic Table that tells you the number of protons in the nucleus of each atom of that element.
What is atomic number?
Generally have a shiny or metallic luster and are good conductors of heat and electricity.
What are metals?
What is vertical?
The area where electrons stay in an atom.
What is the electron cloud?
Matter made up of only one type of atom.
What is element?
The average mass of each element on the periodic table.
What is atomic mass?
Elements that are usually dull in appearance and are poor conductors of heat and electricity.
What are nonmetals?
Element Name: Period 5, Group 2
What is a Strontium?
Negatively charged particles.
What is electrons?
What two pieces of information are needed to calculate the amount of neutrons?
What is the atomic mass and atomic number?
For the element Hydrogen, the Periodic Table block has the following information: Hydrogen 1 H 1.008 What would the atomic number be?
What is 1?
Elements that have characteristics of both metals and nonmetals.
What are metalloids?
Atomic number: Period 4, Group 8
What is a 26?
Positively charged particles in the nucleus.
What is protons?
When two elements join together...
What is a compound?
For the element Thallium, calculate the number of neutrons.
What is 123?
The majority of elements on the Periodic Table can be characterized as _______________.
What are metals?
Element Symbol: Period 3, Group 18
What is Argon?
Uncharged particles.
What is neutrons?
Positively charged, center part of the atom.
What is the nucleus?
Rows of elements are called (1)___________. Columns of elements are called (2)___________.
What are periods and groups?
More than 97% of your body is made up of various ______________, a group that appears on the Periodic Table. (HINT: The answer is NOT water!)
What are nonmetals?
Amount of Protons: Period 4, Group 2
What is 20?