Is it true that atoms of any element have protons that are identical to other protons of all other elements

What is the molecular formula of the compound ammonia

What is a "curie"? A. standard charge of alpha particles B. mass of one alpha particle C. unit of radioactive disintegration D. a unit of gamma radiation

26. If a saturated solution of AgNO3 at 20°C contains 216 g AgNO3 per 100.0 g of water, what mass of water could contain 725 g of this solute at the same temperature?

Tekanan uap jenuh air murni pada suhu 20°C adalah 18 mmHg. apabila pada temperatur yang sama sebanyak 120 gram zat x dilarutkan dalam 990 gram air, tekanan uap larutan menjadi 17,37 mmHg, hitunglah massa molekul relatif zat x?

Where is the best place to plant a hydroelectric plant steep or flat which one

What is the Ka'aba? an Islamic deity a Muslim pilgrim a book of Sharia laws an ancient stone temple

A cylinder has a height of 5.3 cm and a diameter of 3.0 cm. What is its volume?

Define density and erute the formula and units for calculating density

A student intended to make a salt solution with a concentration of 10.0 grams of solute per liter of solution. When the student's solution was analyzed, it was found to contain 8.90 grams of solute per liter of solution.

What value is the closest to the atomic mass of cerium? Isotope Percent Abundance 136Ce 0.185% 138Ce 0.251% 140Ce 88.450% 142Ce 11.114%