What is an unknown element's that has 35 protons

Which of the following is true about so4^2-

What is the name of the following formula: P4O10 a tetraphosphorus decoxide b phosphorus (X) oxide c diphosphorus octoxide d phosphorus oxide

Which sentence is a scientific statemWhich sentence is a scientific statement? A. There is a substance around us that cannot be detected. B. Kids should go to school for 12 years. C. Experimentation is the best way to obtain knowledge. D.

How many liters of whater must be added to 20l of a 75% acid solution toproduce a solution that is 15% acid?

How does phosphorus enter the human body?

Transferring or sharing electrons between atoms forms

Ions that consist of a single atom are called ... ions

Ecosystems are clearly separated from one another. Where one ecosystem stops, another begins A: True B: False

Mass_mole relationship

What is the momentum of an 800-kg car | traveling at a velocity of 10 m/s? What is its momentum if it speeds up to 50 m/s?