Why did Mendeleev put bromine (Br) and chlorine (Cl) in the same group on the periodic table

They have similar masses.

They have similar properties.

They are both gases.

They are similar alphabetically.

Which equation correctly shows how you could calculate [OH-] from [H*]? [OH-1 - 1.010-14 [H*] [H+1 - 1.0 x 10-14 [OH-]

Carbon dioxide, Methane, Chlorofluorocarbons and Nitrous Oxide represent the group: Options Ozone Depleting Substance Green House Gases Suspended Particulate Matter None of the above

Calculate the density of an object that has a mass of 43 g and a volume of 56.0 ml.

An aqueous is the same as liquid water? true false

Which of the following describes a saturated solution? A. One containing 1 g of sugar in 100 mL of water. B. One that contains as much solute as it can hold at a given temperature. C. One that contains less solute than it can hold at 25oC. D.

Can y'all give me some examples of physical changes

A nitrogen-containing compound shows no absorption band at ∼3400cm-1 and no absorption bands between ∼1700cm-1 and ∼1600cm-1. what class of compound is it

What is the mass of 35.2 ml of a solution that has a density of 1.12 g/cm (in dimensional analysis)

What is the molecular geometry, or shape, of beryllium chloride (becl2) ?

What is the best category for nf3? 1. amphoteric ion 2. lewis acid 3. salt 4. bronsted-lowry acid 5. arrhenius acid 6. arrhenius base 7. lewis base 8. weak electrolyte?