Hydrogen ( /ˈhaɪdrɵdʒɨn/ hy-drə-jin)
is the chemical element with atomic number 1 and this symbol. It is one of the elements in water.
What is the symbol H?
100
Helium ( hee-lee-əm)
is the chemical element with atomic number 2 and the symbol is _______. We use hellium to make a balloon fly.
What is the symbol He?
100
Lithium ( lith-ee-əm)
is a soft, silver-white metal that belongs to the alkali metal group of chemical elements. It is used in batteries, medicine, computers and etc...
Name the symbol and number.
What is the symbol Li, and number3?
100
Beryllium ( bə-ril-ee-əm) Used to work on highly explorive weapons.
Has the symbol _____ and atomic number _____.
What is the symbol Be and atomic number 4.
100
Boron (ˈbɔərɒn/) is a metalloid with the symbol _____and atomic number ______. Used to make strong glass bakeware and kills fleas and cockroaches.
What is the chemical symbol B and atomic number 5.
200
This is a soft, silver-white metal that belongs to the alkali metal group of chemical elements. This element is
What is Lithium?
Symbol Li.
200
Carbon ( /ˈkɑrbən/) is this symbol and atomic number.
What is the symbol C and atomic number 6.
200
Nitrogen [ ny-trə-jin) is a chemical element that has the symbol _____and atomic number ______.
What is the symbol N, and atomic number of 7?
200
Oxygen (ok-si-jin) is the element with atomic number______and represented by the symbol ______.
What is atomic number 8 and the symbol O?
200
Fluorine is the chemical element with atomic number __number 9__, represented by the symbol ____.
What is the atomic the symbol F?
300
Neon ( /ˈniːɒn/) is the chemical element that has the symbol _____and an atomic number of 10.
What is the chemical element that has the symbol Ne?
300
Sodium ( soh-dee-əm) is the symbol ___and atomic number 11.
What is the symbol Na and atomic number 11?
300
Magnesium ( mag-nee-zee-əm) is a chemical element with the symbol _____, atomic number 12.
What is a chemical element with the symbol Mg, and atomic number 12?
300
Aluminium (al-ew-min-ee-əm] is a chemical elements with the symbol _____ and its its atomic number is 13.
What is the chemical elements with the symbol Al and ?
300
Silicon ( ˈsɪlɨkɒn/ sil-ə-kon] is a chemical element, which has the symbol _______and atomic number 14.
What is the chemical element symbol Si?
400
Phosphorus ( fos-fər-əs) is the chemical element that has the symbol______and atomic number 15.
What is the chemical element that has the symbol P and atomic number 15?
400
These are symbols H, and He.
What is Hydrogen, and Helium?
400
These are symbols Li, and Be.
What is Lithium and Beryllium?
400
These are the chemical symbols B, and C.
What is Boron and Carbon?
400
What is the chemical for the symbol N, and O.
What is Nitrogen and Oxygen?
500
The chemical element that has the symbol Ne.
What is Neon?
500
The chemical element with the symbol Mg.
What is Magnesium?
500
Foil is made of this and it has the symbol Al.
What is Aluminium?
500
Too much of this will give you high blood pressure and it has the chemical element symbol of Na.
What is Sodium?
500
The symbol F and it is added to water to help us avoid tooth decay.