Elements with atomic numbers above 95 are called what elements

When there is an electronegativity difference between two covalently bonded atoms, what is true of the bond between them?

What takes up space? O A. Light O B. Matter O C. Sound O D. Energy

What volume is occupied by 19.6 g of methane at 27°C and 1.59atm?

How do you find the hydroxide ion concentration when you have the hydrogen ion concentration.

What is the molar mass of Al2 (SO4) 3?150.03 g/mol 278.03 g/mol 342.17 g/mol 450.09 g/mol

The average adult exhales about 1.0 kg of carbon dioxide each day. How much oxygen is needed in metabolizing glucose (C6H12O6, 180 g/mol) to make that much carbon dioxide?

What does the number 84 in the name krypton-84 represent

The mass of an electron is 9.11 * 10-31 kg. What is the uncertainty in the position of an electron moving at 2.00 * 106 m/s with an uncertainty of Δv = 0.01 * 106 m/s?

Which of the following is the largest volume? (B?) 1.2 x 105 cm3 1.2 x 102 m3 2.0 x 104 dm3 1.2 x 108 mm3

Who is interested in a middle schooler?