when 102.4 grams of sodium produces calcium by reacting with calcuim iodide the reaction also produces sodium iodide. How many atoms of calcium will be formed?

Determine the number of significant figures in the measurement quantity: 2600. kg.

How much uranium was used in the first atomic bomb?

What happens to a gas that is enclosed in a rigid container when the temperature of the gas is increased? a. The gas particles move faster and collide more frequently, which causes an increase in pressure. b.

Which city's climate is most similar to Jakarta, Baltimore or Kuala Lumpur? Data Table Shanghai, China (31° N, 121° E) Baltimore City, USA (39° N, 76° W) Helsinki, Finland (60° N, 24° E) Banff, Canada (51° N, 115° W) Kuala Lumpur, Malaysia (3° N

What is an ionic bond? How is an ionic bond done?

Which of following statements is true about scientific knowledge? Scientific ideas are not subject to change, so scientific knowledge stays the same. Scientific knowledge is constantly evolving as new observations are made.

Why is ice cream a mixture

Which of the following is a type of cell organelle? A. membrane B. cytoplasm C. DNA D. nucleaus

Electromagnetic forces are the predominant force in holding what subatomic particles together?

When in a compound, the oxidation number of a nonmetal: A). is always fixed and can never be changed B). can only be deduced once all the other oxidation numbers in the equation are totaled C).