Which of the following is unique for any given element? a. the number of neutrons b. the charge on the electrons c. the number of protons d. the mass of a neutron

A substance having low specific heat capacity gets heated faster than another one with equal mass and having high specific heat capacity, why?

The circle on the left shows a magnified view of a very small portion of liquid water in a closed container. What would the magnified view show after the water evaporated

What is Nitroglycerin in Science?

An electron in an atom is known to be in a state with magnetic quantum number ml=-1 What is the smallest possible value of the principal quantum number n of the state?

Which of the following hypotheses cannot be tested using the scientific method 1. If the temperature is increased, the reaction rate of HCl and NaOH will increase. 2. Cold weather causes car tires to deflate.

You would know you were in the troposphere If? It were raining on you You were floating in space You were flying in a high altitude jet You were in the ozone later

A burning match is an example of a chemical change phase change nuclear change physical change

The table below shows the shapes of two samples, C and D, when placed in three containers of different shapes.

How many grams of KCl are produced when 60 grams of K are reacted?

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