Periodic Table Flashcards
What do you call it if your goin down a line in the table?⬇️
Group👃
What do you call it if your going along the side?➡️
Period🎃
Where are the non-metals?
On the right💃
Where are the metals?
On the left and in the middle👻
Numbering in the periodic table?
Atomic number, it goes down by one evertime when you go along the groups🤡
How can you tell a metal from a non-metal?
Lustrous (shiny) Good conductors of heat and electricity. High melting point. Usually solid at room temperature 🤑
History of periodic tables 👏👏
In 1869 Russian chemist Dimitri Mendeleev started the development of the periodic table, arranging chemical elements by atomic mass. He predicted the discovery of other elements, and left spaces open in his periodic table for them. In 1886 French physicist Antoine Bequerel first discovered radioactivity.🥶
When was period table made?
1869😶
Who made the periodic table?
Russian chemist Dimitri Mendeleev
What happened in 1886?
Someone discovered radioactivity
Who discovered radioactivity
French physicist Antoine Bequerel 🛸
