Answer : The correct option is, (C) Both the atomic mass and the atomic number increase from left to right.
Explanation :
The general trend of atomic number and atomic mass in the periodic table is,
Both atomic number and atomic mass increase from left to right and decreases from right to left in the periodic table due to the addition of the number of neutrons and the number of protons in the nucleus.
Hence, the correct option is, (C) Both the atomic mass and the atomic number increase from left to right.
Answer:
Scientist use GPS satellites and movement tracers.
Explanation:
When a pot of water sits on a hot stove, the metal pot is
heated, and then transfers its heat to the water. A student claims that
conduction is the only type of heat
transfer occurring. The statement that explains why the student’s idea is
incorrect Conduction cannot occur between two different phases of matter. The answer
is letter A.
Answer: -
71
Explanation: -
From the diagram, we see that volume goes from 70 to 75 in 5 markings.
Each marking is for 1.
It is the most accuracy possible as there is no smaller marking.
Significant figures expresses the required amount of accuracy.
Thus the volume indicated from the diagram is 71 .