Where on the periodic table are the MOST reactive NONMETALS found?
What is group 17?
What are halogens?
Scandium is an element that normally has 23 neutrons in the nucleus. The atomic number of scandium is 21. How many electrons would you expect scandium to have?
What is 21?
DOUBLE JEOPARDY!
The subatomic particle that does not contribute to the mass of an atom.
What is an electron?
The max number of electrons in the 3rd level.
What is 18?
What charge does a proton have?
What is a positive charge?
What are groups/families?
What are columns?
DOUBLE JEOPARDY!
The most common form of Hydrogen is H-1. An atom of H-1 has 1 proton, 0 neutrons, 1 electron. What subatomic particles make up an atom of H-3?
What is 1 proton, 2 neutrons, and 1 electron?
What is 4?
These are located in the "stair steps" of the periodic table?
What are metalloids?
What charge does an electron have?
What is a negative charge?
Elements in the same row have the same number of what?
What are energy levels?
An isotope of Cl has 17 protons and 18 neutrons. The atomic mass would be what?
What is 35?
What is 5?
An isotope has the same number of protons but a different number of ________________.
What are neutrons?
What subatomic particle is a neutron closest in size to?
What is a proton?
DOUBLE JEOPARDY!
On the periodic table, which family has only one valence electron?
What are alkali metals?
What is germanium?
This person is credited for creating the periodic table.
Who is Dmitri Mendeleev?
DOUBLE JEOPARDY!
Group 18 are called the _____________.
What are noble gases?
DOUBLE JEOPARDY!
Electrons are found where?
What is an electron cloud?
Found in the outermost energy level.
What are valence electrons?
The number of protons and electrons are equal. What type of charge would this be?
What is a neutral charge?
The only liquid on the periodic table.
What is mercury?
Point C is pointing to the _____________.
What is an energy level?