Answer:
11 protons
Explanation:
A neutral sodium atom contains 11 protons and 11 electrons. By giving one more electron we get a positively charged Na⁺ ion with a net charge of +1 . But the number of protons remain unchange .
The answer for this question is the second one so b or 2
Answer:
Mass
Explanation:
Mass is defined as the amount of matter in a substance. It is usually measured by balances such as the beam balance and scales. It is measured in grams or kilograms depending on the size of the body.
The process of Rock formation involves how a rock is formed which is usually by sedimentation or cooling of magma in volcanic eruptions. In rock formation study,the geologist measures the mass of the rock which enables knowledge of the amount of matter in the rock. This is be used to determine the weight of the rock and the rock type and properties.
Infrared rays are felt <span>as heat is transferred between Earth and the atmosphere</span>