The number of known elements up till now is............
unit 1 lesson 1 prep1 part1

Quiz
•
Science
•
7th Grade
•
Easy
Mrs.mona younes
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
92
118
121
211 |
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
All of these elements are metal solid elements, eXcept ....................
sodium.
magnesium.
mercury.
aluminium.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
All of the following are properties of metals, except.....................................
they are malleable and ductile.
they are good conductors of electricity.
they contain 1, 2 or 3 electrons in outermost shell.
they are bad conductors of heat.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
All of the following are metals, except ---------
iron.
oxygen.
copper.
sodium.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Oxygen is from .................................
acids.
bases.
metal elements.
nonmetal elements.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The element which has atomic number 12 is considered from ..........
metals.
nonmetals.
noble gases.
no correct answer.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When an atom of an element loses one electron or more, it changes into............
negative ion.
a positive ion.
.a neutral atom.
.no correct answer.
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