What is chemical symbol for potassium

A copper wire (density=8.96g/cm3) has a diameter of 0.25 mm. if a sample of this copper wire has a mass of 22g, how long is the wire?

I am a metal, a transition metal, have the smallest atomic radius in my group, and I have 6 valence electrons. What element am i?

The first step in creating a budget is A) getting a bank account. B) cutting back on expenses. C) knowing what your income is. D) listing all of your expenses.

Atoms can be broken down through what processes? A.) chemical but not nuclear B.) only biological C.) both chemical and nuclear D.) nuclear processes but not chemical

Which substance was developed by chemists? A) silk B) nylon D) aspirin

To show the electron configuration for an atom, what is the advantage of using an orbital notation compared to a dot structure? Orbital notation takes up less space. Orbital notation shows the spin of the electrons.

What happens to a container of gas when the pressure is increased?

Which statement is true about a base when it reacts with another substance? a. It receives a hydrogen ion. b. It receives a hydroxide ion. c. It donates a hydrogen ion. d. It donates a hydroxide ion.

Which sample at STP has the same number of atoms as 18 liters of Ne at STP

An acidic solution could have a pH of