Science, asked by Devilqueen43, 1 year ago

Which element was not known when Mendeleev proposed his classification.
a) Hydrogen b) Sodium
Copper
d) Germanium

Answers

Answered by maria9

3

Hey there

Mendeleev did not propose

d) germanium

in his classification

Answered by pallavirai

2

I am not sure but Germanium maybe the right one.

Previous Question

Next Question

Similar questions

Hindi, 6 months ago

७.) पिजर क बाहर चिड़िया को क्या नहो मिलेगी ? प्रश्न क्र. 03 'अति' और 'अधि' उपसर्ग का प्रयोग कर नए शब्द बनाइए। प्रश्न क्र. 04 "ता'' आरै 'ई' प्रत्यय का प्रयोग कर नए शब्द बनाइए।...

Math, 6 months ago

please answer this question please please please answer this question please please please...

Chemistry, 6 months ago

4g of hydrogen reacts with 40g of oxygen to yield H2O a) Which is the limiting reactant ? b) Which is the excess reactant ? c) Calculate the maximum amount of H2O that can be formed d) Calculate the amount of reactant which is unreacted ...

Math, 1 year ago

1. 8 आदमियों और 6 लड़कों की मजदूरी की कुल राशि ₹ 33 है । यदि 4 आदमियाँ 5 लड़कों से ₹ 4.50 ज्यादा कमाते हैं, तो प्रत्येक आदमी और लड़के की मजदूरी ज्ञात करें। (A) ₹3, ₹ 1.5 (B) ₹1.5, ₹3 (C) ₹2,₹2.5 (D) ₹ 2.5, ₹ 2...

Physics, 1 year ago

if two bodiesA 400gm and B are connected by a light inextensible string which passes over a frictionless pulley as shown .if B comes down with acceleration 4m per second square it's mass is ...

Math, 1 year ago

four times a number reduced by 5 equals19 find the number...

Physics, 1 year ago

Story on types of force...

Science, 1 year ago

the motion of earth is periodic true or false...