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WorksheetsCentral Exam Preparation - Periodic Table
Total questions: 10
Worksheet time: 5mins
Which branch of Science studies all living organisms?
Earth Science
Life Science
Physical Science
Environment Science
Which of the following lists of elements forms a group on the periodic table?
F, Cl, Br, I, At, Ts
B, Si, As, Te, At, Og
C, P, Se, I, Rn
Na, Mg, Al, Si, P, S, Cl, Ar
Which of the following is NOT a sign of a chemical change?
1
2
3
4
During which time period was the speed constant?
0-10 s
10-20s
20-30s
30-50s
Which numbers on the graph show the changes in state of matter with no change in the temperature of a substance?
1 and 3
3 and 5
2 and 4
1 and 5
Which of the following is correct about the classification of elements 1 and 2 below?
1 is a metal, 2 is a nonmetal
1 is a metalloid, 2 is a nonmetal
1 is a metal, 2 is a metalloid
1 is a nonmetal, 2 is a metal
Which of the following is useful in electronic devices, such as computers, televisions, and solar cells
Gold
Carbon
Silicon
SIlver
Which of the following is true according to the figure below?
Most of an atom's mass is concentrated in a small area called nucleus
Nucleus contains protons and electrons
The nucleus' charge is neutral
Neutrons can be found in the electron cloud
Which of the following is an unbalanced equation?
2 KClO3 → 2KCl + 3O2
CH4 + 2O2 → CO2 + 2 H2O
Fe2O3 + CO → 2Fe + 2CO2
H2CO3 → H2O + CO2
Which of the following is FALSE according to the number of significant figures?
