How do you use the periodic table to find the matter, number of subatomic particles, family name, reactivity, and number of valence electrons?

Given the parent compound, draw the mass spectrum fragment that is observed at m/z 91. Include any hydrogen atoms and the charge.

A so-called enhanced water contains citric acid (H3C6H5O7), magnesium lactate [Mg (C3H5O3) 2], calcium lactate [Ca (C3H5O3) 2], and potassium phosphate (K3PO4).

Object A has a mass of 10 g and a volume of 8 cm3. Object B has a mass of 10 g and a volume of 6 cm3. Which object has a greater density and by how much? Object A, by 2 grams per cubic centimeter Object A, by 0.

Explain what type of weather is associated with a low pressure are and Why.

20.0 g of Nitrogen is produced when oxygen gas reacts with NO gas. 29.8 L of oxygen is required at STP to produce this 20.0 g of NO. A. yes B. false

What is an element that has more valence electrons than fluorine and less energy levels than sodium?

Why can't we breathe in pure oxygen for long

In warm water conditions, female offspring hatch from eggs laid by painted turtles. Male offspring are produced under cold conditions.

It takes 53.0 J to raise the temperature of an 11.0 g piece of unknown metal from 13.0∘C to 24.2 ∘ c. What is the specific heat for the metal?

What happens to the velocity of a sound wave in air if the temperature of the air increases