What is the expensive property of a substance

How do we calculate the number of protons, electrons and neutrons in an element?

What is the symbol for an ion with 50 protons 48 electrons 68 neutrons?

8. How does the arctic fox survive the harsh winters in the tundra? O A It feeds on large amounts of mosses, lichens, and insects. B It feeds on animals that it captured during the summer and then stored underground.

What is the primary difference between a hypothesis and a theory? A. A theory is supported by more data and observations than a hypothesis is. B. A hypothesis is falsifiable, but a theory has been proven to be correct. C.

How many chemical bonds do you expect ekasilicon to have and why

If The mass of a box is increased and the force stay the same, determine the relationship with acceleration

A balloon contains 0.15 moles of co2 gas. how many molecules of co2 are in the balloon?

Acids A) are generally proton donors B) produce H + ions in solution C) are electron pair acceptors D) may include all of these characteristics

3.011 x 10^23 atoms F in grams

What would you use if you needed to determine the density of an object? balance and graduated cylinder balance and scale scale and spectroscope