Find the formula for calcium and oxygen

Element Z has 2 natural isotopes. One isotope has a mass of 15.0amu and has a relative abundance of 30%. The other isotope has a mass of 16.0amu and has a relative abundance of 70%.

A bluebird lives in a maple tree. It builds a nest in the tree, where its eggs can be protected from the harsh environment. This is an example of:

During what phase of the moon can a lunar eclipse occur? A) new moon B) first quarter C) waxing gibbous D) full moon

Which effect are most likely from a hurricane? Check all that apply Damaged homes due to flooding Uprooted trees due to high winds Forest fires due to lightning strikes Eroded coastline due to storm surge Damaged personal property due to hail

Which of the following values is equal to 1 micrometer? 0.000001 meter 0.001 meter 1,000 meter 1,000,000 meter

What is the formula or equation for motion, speed and energy?

What is called a bond between a metal and a nonmetal

100 level student of the adamawa state university mubi was ask to synthesize ammonia (haber process) in the ratio 3:1 of hydrogen to nitrogen. durin the synthesize, 6.00 mole of nitrogen, 4.20 mole of hydrogen and 0.

Na + leaks through neuron membranes faster than k + because of the properties of the non-gated leak channels. na + leaks through neuron membranes faster than k + because of the properties of the non-gated leak channels. a. True b. False

How many protons does one atom of sulfur have