Which of the following metalloids is located in the sixth period of periodic table

The nucleus of the atom contains what subatomic particle (s) ? protons only neutrons only electrons only protons and neutrons protons and electrons

How many moles of sodium chloride (NaCl) solute are in 205 grams of a 92.5 percent by mass solution? A.) 1.92 mol NaCl B.) 2.63 mol NaCl C.) 3.24 mol NaCl D.) 7.71 mol NaCl

The 500kg concrete culvert has a mean radius of 0.5m. part a if the truck has an acceleration of 3m/s2, determine the culvert's angular acceleration. assume that the culvert does not slip on the truck bed, and neglect its thickness.

An ecosystem contains all the biotic and abiotic factors in an area. answers true or false

Why is it so important to not return used or excess chemicals to their storage container?

Is a molecule positive or negative?

A friend tells you, because composition does not change during a physical changes, the appearance of a substance does not change. is your friend correct? explain why.

In which direction dose the sun appear to move across the sky

Which is the SI unit for pressure? Pa Torr psi inHg

Write a neutralization reaction for each acid and base pair. a. HI (aq) and NaOH (aq) b. HBr (aq) and KOH (aq) c. HNO3 (aq) and Ba (OH) 2 (aq) d. HClO4 (aq) and Sr (OH) 2 (aq)