The energy required to remove two valency electrons of a metallic atom is called? a. second ionization energy b. ionization energy. c. electron affinity. d. activation energy

Create a top 10 list on the why they should teach science

Q5.6. if calcium ions, each of which has a charge of + 2 (ca2+), moved out of a neuron, and no other ions were moving, what would be true?

What is the chemical formulae of marble

How many moles of CuCl2 are there if you have 650 grams of it?

What does a transformer do? a) changes the voltage of electricity leaving a power plant b) changes the temperature of steam in a power plant c) cools the water in a nuclear reactor

Which of the following organisms are carnivores? Producers Omnivores Consumers Decomposers

What is the number of moles in 2.33 L of H2S gas at STP?

Nitrous oxide (n2o), or laughing gas, is commonly used as an anesthetic in dentistry and surgery. how many moles are present in 8.4 liters of nitrous oxide at stp?

How can an atom be electrically neutral when it contains particles that are charged?

Is boiling water considered physical or chemical bond