Multiple Choice
In what year did a Russian Chemist create a chart called the Periodic table?
1869 OR 1901
1869
The modern periodic table is arranged into columns and rows. The columns are called _______.
Groups OR gas
Groups
___________Are groups on the periodic table that contain elements that share similar properties.
Chemical families OR Metals
Chemical Families
Group 18 contain elements called ______.
compounds OR noble gases
Noble Gases
Tiny atomic particle that has mass and a positive electric charge.
Proton or electron
Who was the inventor of the Periodic table?
D. Mendeleev OR D. Manor
D. Mendeleev
How many groups are there in the table?
24 OR 18
18
Group 1 elements are called the ________.
reactive metals OR Alkali metals
Alkali metals
Group 3-12 contain elements called the __________.
Mercury OR transition metals
Transition metals
Tiny atomic particle that is electrically neutral and has about the same mass as a proton.
electron OR Neutron
Neutron
He arranged the elements according to their increasing atomic numbers and by their physical and chemical
____________.
Properties OR Symbol
Properties
The modern periodic table is arranged into columns and rows. The rows are called __________.
chemicals OR periods
periods
Alkali metals are the most ________group of all the metals.
Reactive OR non reactive
Reactive
Natural or artificial substances that cannot be broken down into simpler substances by physical or chemical means.
Element OR Energy
Element
Tiny atomic particle with little mass and a negative electric charge.
Electron OR Proton
Electron
The whole number is called the ________.
atomic number OR element
atomic number
There are ________rows in the periodic table.
7 OR 10
7
Group 2 elements are called the __________.
minerals OR alkaline earth metals
Alkaline earth metals
Anything that has volume and mass.
Matter
An atom that gains or loses an electron.
Ion
The other number is larger number and contains a decimal is called __________.
periods OR atomic mass
atomic mass
All the metals, except for _________ which is a liquid, are found as solids at room temperature.
Mercury OR silver
Mercury
Group 17 elements are called the _________.
Halogens OR states
Halogens
Positively charged center of an atom, made up of protons and neutrons and surrounded by electrons in energy levels.
Nucleus
An atom of an element that has a different mass number than the element but the same chemical properties.
Isotope