A student has 4 cards representing elements. The cards were dropped and you have to figure out which ones are the same element. Writing Task:
•What determines the identity of an element
•How the elements are arranged on the periodic table
•Which of the 4 cards represent the same element and how do you know?

ynm-cdis-bbg

its a g.oo.gl.e me.et co.d.e

its a study mee.ting i am also girl so girl is allo.wed boy are not allo.wed he alway thing wrong so girl co.me i am also girl here we only study its a safe mee.ting

i think so it’s will be b yes i believe its

nacl or sodium chloride is an ionic compound. this is because an ionic compound pertains to a compound that consists of positively and negatively charged ions. in this case, na (sodium) has a tendency to lose one electron when it reacts with with other atoms, so the resulting sodium ion contains 11 protons and 10 electrons, thus making it positively charged (na+), when chlorine reacts, it usually gains one electron to form an ion called chloride, thus making it negatively charged ( since the ions are oppositely charged, they attract.