Which of the following are always the same for atoms of the same element?

Mass of an atom

Atomic number

Neutron number

Mass number

If there are 3.10 moles of O, how many moles of each of the compounds are present? H2SO4 mol C2H4O2 mol NaOH mol

The effect of pH on the binding of oxygen to hemoglobin results in: A. an affinity decrease with lower H concentration, i. e., increasing pH. B. decreasing protonation of β-chains His 146 with decreasing pH (i. e.

The electron configuration of nitrogen (n) is how many more electrons does it need to satisfy the octet rule

Why do crocodiles walk so gayly? I swear they walk like they got their nails done or something

Set Quantum numbers for electron in 3s orbital

Solid lead IV oxide decomposes into solid lead and oxygen gas.

Ab2 has a molar solubility of 3.72*10-4 m. what is the value of the solubility product constant for ab2? express your answer numerically.

Thermal decomposition of sodium azide (NaN₃) into nitrogen gas and sodium metal is used to inflate car airbags. The reaction proceeds by the following chemical reaction. 2NaN₃ (s) ⟶3N₂ (g) + 2Na (s) How many grams of NaN₃ are need to inflate a 10.

Is salt water acidic, basic or neutral

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