select all the elements that are in the same period as calcium potassium magnesium bromine scandium

Related Questions

• what is the hydronium ion concentration of a solution whose ph is 4.12?
• The element with electron configuration 1s2 2s2 2p6 3s2 3p2 is
• Which of the following is in the lanthanide family?A) Uranium B) Promethium C) Silver D) Gold
• What is the molar mass of (NH4)2O? Explain how you calculated this value.
• Colorful animal cells are rich in melanosomes, a specialized organelle that contains pigments, like melanin, and the enzymes that produce them. Melanosomes are found only in certain cells and are called lysosome-related organelles based on their origin, but they do not contain hydrolases or have a low pH. How would you expect these melanosomes to form?
• What is enthalpy? Total concentration Total heat content Total pressure Total internal energy of the system Please help thank you
• Which layer underground where all empty spaces are filled with a combination of air and water
• What happens when a piece of glass is exposed to intense heat?A) It turns into sand.B) It melts into a liquid.C) It becomes opaque.D) It becomes translucent.
• Strong forces of attraction between the positive and negative regions of molecules are
• What happens when two atoms form a chemical bond?A) Two atoms fuse together to form a chemical bondB) The atoms share or transfer electronsC) A chemical bond forms when two atoms transfer or share protons to achieve a stable nucleusD) Like charges in the atoms cause them to stick together