The nucleus of one boron atom has 5 protons and 4 neutrons wjat is the total number of electrons in a boron atom

What is the mass of 0.25 mole of sodium? 22.9 grams 5.7 grams 11 grams 2.08 grams

Calculate the pOH of a solution with a pH of 4

What type of isotope undergoes radioactive decay? O one that has a nucleus with the same number of protons and neutrons O one that has an unstable nucleus one that has the same number of protons and electrons O one that has a stable nucleus

2. force → the rate at which an object changes position; distance divided by time true or false 3. inertia → an object's resistance to a change in motion true or false 4.

In a container filled with one mole of helium and one mole of nitrogen the pressure in the container is primarily?

A large sample of solid calcium sulfate is crushed into smaller pieces for testing. which two physical properties are the same for both the large sample and one of the smaller pieces?

How do i give the number of significant figures in 0.0037 mm

Which of these are ionic compounds?

Which property can be defined as the ability of a substance to be hammered into thin sheets

Select the group of organelles that is common to both plant cells and animal cells. A. nucleus, cytoplasm, ribosomes, chloroplasts B. cell wall, ribosomes, cell membrane, mitochondria C. cytoplasm, mitochondria, cell wall, nucleus D.