Which of the following physicists paved the path for experiments with subatomic particles with his discovery of the

electron in the early 20th Century?

Niels Bohr

Albert Einstein

OJJ Thompson

Ernest Rutherford

Which answer best explains why scientific models will continue to improve? Weather events will continue to become more deadly Scientists continue to find new information and better technology.

Be sure to answer all parts. Consider the following balanced thermochemical equation for the decomposition of the mineral magne MgCO3 (s) → MgO (s) + CO2 (g) ΔHrxn = 117.

What does a molecule look like

How many moles are in 3.50 x 1024 atoms of yttrium

The molecular weight of NaCl is 58.44 grams/mole. If you had a 1.0 molar solution (1.0 M), you would have to put 58.44 g of salt in 1.0 liter of solution. How many moles of NaCl would you have in 10 0 mL of this solution

Write the chemical symbol for an element in Period 6 and Group 2A

Of the elements: b, c, f, li, and na. the element with the smallest ionization energy is

How does erucamide make substances scratch resistant?

Melting butter is a physical change. Which best describes what is happening? The butter changes into a different substance. The butter contains a new arrangement of atoms. The butter cannot turn into a solid again.

Which of these is used to extract soldium? a) Down's process b) Castner-kellener's process c) Kellener-Solvay's process d) Solvay's process