Which ion is formed when an atom of fluorine (F) gains one electron?

F-1

F-2

F+1

F+2

Match the element with its description. Match Term Definition Sodium A) Nonreactive gas Silicon B) Highly reactive gas Bromine C) Has properties of both metals and nonmetals Argon D) Malleable, soft, and shiny

An electron is moving northward in a magnetic field. the magnetic force on the electron is toward the northeast. what is the direction of the magnetic field?

The gas phase decomposition of phosphine at 120 °C PH3 (g) 1/4 P4 (g) + 3/2 H2 (g) is first order in PH3 with a rate constant of 1.80*10-2 s-1. If the initial concentration of PH3 is 3.

Calculate the temperature required to make a 75.8 ml ballon initially at 57.9c change its value to 50.8ml

Indicate how you might prepare acetic acid from ethene

What is the density of 19.2 g of oak that has a volume of 25.7 cm3?

Which of these is a compound? О co2, O2, Co

Explain this observation: Only a small area of the day side of earth can see a solar eclipse.

total mass of the Syringe. Record it in the correct row of the data table. how many kilograms would it be?

Testing a hypothesis is called a