Periodic Table 1
Cu
What is copper
Ag
What is silver
K
What is potassium
Al
What is aluminum
H
What is hydrogen
The Atomic Number is equal to the...
What is the number of protons
Neutrons have this charge.
What is neutral?
__________ and _________ are the particles in the nucleus.
What are protons and neutrons
the number of protons in an atom of silicon
what is 14?
The most abundant element in the universe.
What is hydrogen?
The number of electrons oxygen has in its outer most shell (layer)
What is 6 electrons
The 4 main elements found in the human body.
What are carbon, hydrogen, oxygen and nitrogen?
A synonym for "characteristics" - often used in chemistry to describe a substance
What is properties
a substance made up of 2 or more different elements combined together
what is a compound?
The last of the naturally occurring elements on Earth with an atomic number of 92.
What is uranium?
To find the number of neutrons an atom has, you need to...
What is subtract the atomic number from the atomic mass.
The elements in the last group or column of the periodic table are called this.
What are noble gases?
fluorine (F) has this electron configuration
What is 2,7
two or more atoms joined together by a chemical bond
What is a molecule?
The symbol of the element which gives blood its red color. Also responsible for the red appearance of Mars.
What is Fe
An isotope is an element that has a different number of... inside its nucleus
What are neutrons
Electrons differ from protons and neutrons in 2 main ways.
What is mass and what is their location outside the nucleus?
potassium has this electron configuration ( hint: think layers of electrons)
What is 2,8,8,1?
Name three elements that have a full, complete outermost layer of electrons
What is helium, Neon, Argon, Neon, or Krypton?
The number of neutrons most Argon atoms have
what is 22.