Answer:
the element he has discovered is called Selenium.
Explanation:
Selenium has an atomic number of 34
Answer:
ummm the sun isn’t colder in winter actually the sun continues to get hotter every day?
its colder in winter because were roating further away From the sun…
Answer:
Lithium
Explanation:
Alkali metals are group of metals which are present in first group of periodic table. As we know atomic number is equal to number of protons contained by a particular element. Therefore, the alkali metals along with there number of protons are listed below;
Alkali Metal Number of Protons
Lithium 3
Sodium 11
Potassium 19
Rubidium 37
Cesium 55
Francium 87
Hence, it is cleared from above table that Lithium is having fewer protons than 10.
Alpha particles because two protons and two neutrons
