Element Flashcards
1
Q
What are elements?
A
Elements are pure substances that cannot be broken down by chemical methods into simpler components. They contain only one kind of substance.
2
Q
In what way can elements exist?
A
elements exist in a collection of:
single atoms (monoatomic)
pair with another atom of the same element (diatomic)
More rarely as threes (triatomic)
3
Q
What are the first 20 elements?
A
1(H) Hydrogen
2(He) Helium
3(Li) Lithium
4(Be) Beryllium
5(B) Boron
6(C) Carbon
7(N) Nitrogen
8(O) Oxygen
9(F) Fluorine
10(Ne) Neon
11(Na) Sodium
12(Mg) Magnesium
13(Al) Aluminum
14(Si) Silicon
15(P) Phosphorus
16(S) Sulfur
17(Cl) Chlorine
18(Ar) Argon
19(K) Potassium
20(Ca) Calcium
4
Q
What is the symbol for iron, tungsten, gold, and silver?
A
Iron (Fe)
Tungsten (W)
Gold (Au)
Silver (Ag)
