Which of these is a noble gas?
a). Chlorine (Cl)
b). Hydrogen (H)
c). Neon (Ne)
d). Fluorine (Fl)
C is the correct answer. Neon (Ne)
100
The columns of the periodic table are called groups.
-TRUE
-FALSE
True is the answer.
100
Sodium stand for what symbol?
Sodium stand for Na
100
What does metal mean?
Metal- is an element that has luster, is a good conductor of heart and electricity, is malleable, and is ductile.
100
What is the meaning of H
H means Hydrogen
200
Oxygen (O) has a greater mass than chlorine (Cl).
-TRUE
-FALSE
The answer is false.
200
Rows in the periodic table are called periods.
-TRUE
-FALSE
The answer is True.
200
The symbol of Europium is ...
The symbol is Eu
200
What are Nonmetals?
Nonmetals are usually gases or brittle solids at room temperature and poor conductors of heat and electricity.
200
The meaning of Mg stands for ...
Mg stands for Magnesium
300
Silicon (Si) and carbon (C) share some similar characteristics.
-TRUE
-FALSE
The correct answer is True.
300
Which of these things will you NOT find in the periodic table on the wall?
a). Element Name and Symbol
b). Atomic Weight
c). Atomic Orbital Radius
d).Atomic Number
The answer is C. Atomic Orbital Radius
300
The symbol for Platinum is ..
The symbol that belongs to the word is Pt
300
What is a semiconductor?
A semiconductor doesn't conduct electricity as well as a metal, but does conduct electricity as well as a metal, but does conduct electricity better than a nonmetal.
300
What does Zn mean?
Zn stands for Zinc.
400
Which of these is NOT a gas found in the Earth's atmosphere?
a). Nitrogen (N)
b). Oxygen (O)
c). Gold (Au)
d). Argon (Ar)
C is the right answer. Gold (Au)
400
Elements in the periodic table are arranged by ...
There arranged by atomic number
400
What symbol belongs to Thumlium
The symbol is Tm
400
Metalliod is what?
Metalliod is an element that shares some properties with metals and some with nonmetals.
400
The meaning of S means?
S means Sulfur
500
You might find boron (B) in the soap in the bathtub.
-TRUE
-FALSE
True is correct.
500
About how many Elements are there?
There is about 100-110 elements know/listed
500
The word Samarium is what symbol?
The symbol that answer that Sm
500
What does alkaline earth metals mean?
Alkaline earth metals are elements in group 2 of the periodic table