1.Nuclear charge decreases as the atomic number increases.Immersive Reader
Answer - True
2.In alkali metals, the atomic radius of potassium is greater than
Answer - Lithium
3.While moving across the periodic table from left to right there is an increase in atomic radius.
Answer - False
4.When moving from gold to lead, the atomic radius increases.
Answer - True
5.The picometer is the unit used to measure atomic radii.
Answer - True
6.Which of the following is larger in atomic size?
Answer - Boron
7.Chlorine has a larger atomic radius than fluorine.
Answer - True
8.Atomic size increases across a period.
Answer - False
9.The atomic radius of a nitrogen atom is 70 pm. What is the distance between the nuclei of two bonded nitrogen atoms in a N2 molecule
Answer - 140 pm
10.Arrange the following atoms in order of decreasing atomic radius:
Ga, As, Sn, Sb, Te
Answer - a. Sn, Sb, Te, Ga, As
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The relation between molecular (formula) mass and molar mass Page 4 4 • To obtain one mole of copper atoms (6.02 x 1023 atoms), weigh out 63.55 g copper. The molar mass (M) of a substance is the mass of one mole of entities (atoms, molecules, or formula units) of the substance.
When salt is added to ice , it comes into contact with the thin layer of water on the surface of the melting ice. ... This salt water has a lower freezing point, so the temperature of the ice bath can get even colder, thus freezing the ice cream more quickly.
Answer:
So combining blue with yellow light is like combining blue light with red and green light. The result of combining these three primary colors of light is to produce white light.
Explanation:
