Which of the following is not found in the nucleus of an atom?

a. electron

b. neutron

c. proton

d. quark

While preparing for his first Chemistry exam, Jaden is studying the elements and trying to memorize their abbreviations. On test day, he is frustrated because he studied 30 elements but can only remember the abbreviation for the last 5.

A. 5.65 x 10 megagrams to grams

If I mixed milk and vinegar together would it be a chemical or physical change?

1. Americium - 243 emits an alpha particle. What would its new atomic number and identity be? * 92, uranium 90, Thorium 93, Neptunium 97, Berkelium 2. Lead - 206 emits gamma radiation.

What do we need to know about a molecule in order to carry out molarity calculations

Eq-43 which type of fire extinguisher should be onboard a vessel with a permanently installed fuel tank

5. Identify a suitable method that would be used to separate mixture of the follow [b]Water and ethanol c]Table salt dissolved in water d] iodine and potassium Pul the table below

How much energy is needed to convert 57.3 grams of ice at 0.00°c to water at 75.0°c? specific heat (ice) = 2.10 j/g°c specific heat (water) = 4.18 j/g°c heat of fusion = 333 j/g heat of vaporization = 2258 j/g?

A certain first-order reaction (A→productsA→products) has a rate constant of 9.90*10-3 s-1s-1 at 45 ∘C∘C. How many minutes does it take for the concentration of the reactant, [A][A], to drop to 6.

Assign the oxidation number for (NH4) 3PO4