A student mixes 50 g of water with 300 g of water and 5g of lemon what is the mass of the solution

355

305

350

345

Which molecule has polar bonding and is nonpolar? 1) H2O 2) BF3 3) NH3 4) NCl3 5) CH2Cl2

Describe a neutralization reaction and give its two products

Write about the characteristics of carbon compounds: the carbon atom structure connection types;

As the period number increases on the periodic table (moving from the top of the table to the bottom), A. the atomic number increases and the atomic mass decreases. B. the atomic number decreases and the atomic mass increases. C.

A molecule has a carbon atom that is best described by sp2 hybridization. how many other atoms are connected to this carbon? three one four two

Why do covalent bonds not involve the transfer of electrons

Originally, the periodic table was arranged by increasing atomic radius increasing atomic mass increasing atomic number increasing number of electrons

How many moles are in 15.5-g SiO2

Is Oxygen - O2 a pure substance or a mixture?

What atom has 14 protons and 14 electrons