1. How is the modern periodic table organized? Increasing atomic number
2. What information about an atom's properties can you read from the periodic table? Metal or not metal. Does it want to gain or lose electrons
3. How are the relationships of elements in a group different from the relationships of elements in a period? a group will have similar properties A period will have different properties
4. Would you expect Strontium (Sr) to be more like potassium (K) or bromine (Br)?
potassium
5. Barium (Ba) is in Group 2. Recall that atoms in Group 1 lose one electron to form ions with a 1+ charge. What type of ion does barium form? Ba+2
Https://www.youtube.com/watch?v=LXDG0nqYdR4
Answer:
exothermic reaction
when compounds dissolve they produce heat hence a chemical reaction that produces heat is known as endothermic reaction.
Answer: The answer would be B. 171 square feet
Explanation:
I took the test and got it right / Hope it helps!:)
