Which of the following electron configurations for neutral atoms is correct? Li nitrogen: 1s 2, 2s 2, 2p 3 the third sub-level silicon: 1s 2, 2s 2, 3s 2, 2p 6 3p 2 helium: 1s 1, 1p 1

Which of these follows a cyclical pattern? A. sunspot maxima and minima B. condensation of a nebula C. formation of a crater D. formation of a black hole

How do the numbers on the pH scale compare? Example - is a pH of 4 twice as strong as a pH of 2? Hint - the pH scale is not linear!

The molarity of an aqueous solution of hydroiodic acid, HI, is determined by titration with a 0.145 M potassium hydroxide, KOH, solution. If 45.7 mL of potassium hydroxide solution are required to neutralize 50.

What role does friction play in static electricity

What is the mass of 1.867 moles of the element chlorine

Why do metals tend to lose electrons to form positive ions? A) They hold on tightly to electrons. B) A metals atom loses its few valence electrons to form a full octet.

2. To what volume will you have to dilute 20.0 ml of a 8 M HCl solution to make a 0.35 M HCI solution?

A pure titanium cube has an edge length of 2.84 in how many titanium atoms does it contain? titanium has a density of 4.50g/cm3.

Select the group of organelles that is common to both plant cells and animal cells. A. nucleus, cytoplasm, ribosomes, chloroplasts B. cell wall, ribosomes, cell membrane, mitochondria C. cytoplasm, mitochondria, cell wall, nucleus D.

What is a jet stream?