what is name of first man made element?

Which of the following is the Arrhenius definition of an acid? a. a substance that donates a hydrogen ion to another substance during a reaction b. a substance that increases the concentration of hydronium ions when dissolved in water c.

What is an example of ionization?

Which of the following are likely to form a covalent bond? - gold and gold oxygen and oxygen magnesium and oxygen magnesium and gold

Give the oxidation numbers of all atoms in NaMnO4

An athlete is running a 5-km race at am average speed of km/h. She has to stop to tie her shoe. After tying her shoe, she continues running at 8km/h. Why would her average speed for the entire race be less than 8km/h

Compound made 3 + And 3-

Based on the law of conversation of mass, how does the mass of reactants compare with the mass of products in a given reaction?

How many grams of hydrogen are necessary to react completely with 50.0 g of nitrogen

Which of the following will react violently with water to form a base?

What are the three types of nuclear radiation? alpha particles, beta particles, and gamma rays alpha particles, beta rays, and gamma rays alpha rays, beta particles, and gamma rays alpha rays, beta rays, and gamma particles