WebApr 13, 2024 · 2. If all the particles have same kinetic energy, The relation between the wavelengths of alpha particle, electron and proton is: JEE Main - 2024. Dual nature of matter. View Solution. 3. S-1 \rightarrow → Steel is used in construction of a bridge and house. S–2 \rightarrow → Modulus of elasticity of steel is high. JEE Main - 2024. WebMay 20, 2024 · The activity series is a list of elements in decreasing order of their reactivity. Since metals replace other metals, while nonmetals replace other nonmetals, they each have a separate activity series. The table 7.11. 1 below is an activity series of most common metals, and the table 7.11. 2 is an activity series of the halogens. Table …
The statement that is not correct for periodic classification of ...
WebMay 19, 2015 · 1 Answer. Meave60. May 20, 2015. The most reactive nonmetal is fluorine, F. The trend in reactivity in the nonmetals is the opposite of the trend in the metals. In … WebSep 10, 2024 · The most reactive metal in the periodic table, caesium frequently results in explosions when working with it. Francium The largest atom in the first column is that of francium, which is the final element in the row and is located immediately below caesium. class range in statistics
Reactions and the periodic table - Metals and non-metals …
Web1. Conduction: Metals are good at conducting electricity. Silver (Ag) and copper (Cu) are some of the most efficient metals and are often used in electronics. 2. Reactivity: Metals are very reactive, some more than others, but most form compounds with other elements quite easily. Sodium (Na) and potassium (K) are some of the most reactive metals. WebMost elements in the periodic table are metals, while non-metals account for around 20% of known elements. The periodic table can be used to find out if an element is a metal … Webmetals are. Metals are on the left and non-metals on the right. The columns show the groups. The group number shows the number of electrons in the outer shell. The rows are periods – each period shows another full shell of electrons. The periodic table can be used to predict the reactivity of elements. Alkali Metals The alkali metals (group 1 ... download settled by ada ehi