Show:
The Atom
Metal, Non-metal, Metalloids
The Periodic Table
Name that Element
Vocab
100
The atomic number of an element tells you the number of
protons and electrons
100
Carbon (C)
What is a nonmetal
100
What group number is the Alkali metals?
What is number 1
100
I have an 11 protons and react violently with water. My atomic mass is 22.990.
Sodium (Na)
100
Mendeleev created an organized table of elements called
What is the periodic table
200
The atomic number of potassium is
19
200
Gold (Au)
What is a metal
200
What group number are the Halogens?
What is group 17
200
I am the most simple element. I only have 1 electron and I am very abundant in the universe.
Hydrogen (H)
200
The positively charged center of an atom is called the
What is nucleus
300
How many electrons does element number 11 have?
What is 11 electrons
300
Mercury (Hg)
What is a metal
300
The nonmetals can be found on which side of the periodic table?
What is the right side
300
I am the heaviest and last element that can naturally be found on Earth. I have many different isotopes. My atomic mass is 238.029 and I am radioactive.
Uranium (U)
300
_________ is the weighted average mass of all known elements
What is atomic mass
400
What two things are found inside the nucleus?
protons and neutrons.
400
Silicon (Si)
What is Metalloid
400
The transition metals are found where on the periodic table?
What is the middle.
400
I am found in every living thing. Without me, you would not be able to live as I form many important compounds. I have 6 electrons and have many different isotopes.
Carbon (C)
400
Two elements with the same number of protons but a different number of neutrons are called
What is isotopes
500
How do we find out how many neutrons an element has?
Atomic mass-Atomic number=Number of neutrons
500
Bromine
What is nonmetal
500
Who was the scientist that worked on putting the periodic table together?
Who is Dmitri Mendeleev
500
I am a metalloid found in group 15. In ancient times I was mixed with lead and used in paint to help decorate many palaces. Women also used me for make-up before they found out I was poisonous. I have 71 neutrons and can form strong acids (ten billion times stronger than stomach acid!) My atomic mass is over 100.00.
Antimony (Sb)
500
In the current model of the atom, the electrons are located in the
What is electron cloud