Rutherford's gold-foil experiments proved the existence of which of the following?

Question 8 options:

the nucleus

the neutron

the electrons outside the nucleus

the protons only

Which is not a compound? oxygen gas water silicon dioxide carbon dioxide gas

The mass defect of a particular reaction resulted in the production of 5.50 x 10^15 joules of energy. What mass (if totally converted to energy) would correspond to this amount of energy? (1 J = 1 kg m^2/s^2) 1.83 x 10^8 kg 4.95 x 10^7 kg 6.

You're talking on your cell phone in your bedroom, when suddenly the reception goes bad for a minute. Just before the reception clears up, you hear the microwave beep in the kitchen. What's your hypothesis of what has happened?

What foods contain Nucleic acids?

Jojo and Barbara put a beaker of water into the freezer and take it out 24 hours later to find a solid. What is this an example of? A. chemical change B. transmutated inverse reaction C. physical change D. sublimation

What does the number next to the ion signify?

Write a molecular equation for the precipitation reaction potassium chloride and lead (II) acetate

Which outcome is not caused by gravitational force?

Explain the properties of the substance around us depend on the atoms and molecules that compose them

What is an ion (1 mark) what is the charge on a chloride ion (1 mark) what is an ionic bond (1 mark)