Science, asked by vinuthavinutha, 1 year ago

Lithium Sodium and potassium from a Dobereners traid the atomic masses of Lithium and potassium are 7 and 39 respectively predict the atomic mass of sodium

Answers

Answered by Anonymous

15

mass of sodium = 39+7/2
= 46/2
= 23
mass of sodium = 23

Answered by arjun8734

2

Answer:

23

Explanation:

Atomic mass of Na

= 7+39/2

= 46/2

= 23

Previous Question

Next Question

Similar questions

English, 7 months ago

write in English/hindi नवरात्रि के अवसर पर आपके ववद्यालय नेस्वच्छता अभियान चलाने का ननर्णय भलया है इसके भलए कल्यार्पुरी बस्ती मेंसाफ सफाई करने के अलावा लोगों मेंस्वच्छता के प्रनत जन-जागरूकता फैलाने का ननश्चय ककया हैस्कूल के हेड बॉय की तरफ से एक सूचना देते हुए सूचना आलेख तैयार कीजजए| write notice writting in English/hindi...

Physics, 7 months ago

pls answer my questions guys....... it is urgent...

Math, 7 months ago

2. Add the following: (i) x2 + y2 + 2xy, 3-r2 + 12 – 4xy, x2 + y2 (ii) 3a + 4b, 10a - 9b, 16a + 2b (iii) x²y + xy2, -11x2y + 10xy2, -10x2y – 11xy2 (iv) 14x2 + 2x + 5, 5x2 + 6 (v) 4abc + 6a2 + 7b, 10a2 + 14b, -2abc – 3a2 (vi) 2x2 + 4y2 + 5, – x2 + 3y2 + 10, –2x2 – 4y2 (vii) 6x3 – 3x2 + 6x – 4, 4x3 + 5x – 10, x2 – 6 10 -...

History, 1 year ago

What were the effects of great economic depression from 1929 to 1932 in germany.explain...

Social Sciences, 1 year ago

Conclusion for formal and informal source of credit...

Biology, 1 year ago

Classification of organisms based on evolutionary as well as genetic relationships is called...

Biology, 1 year ago

Blood invading parasites and parasites associated with anaemia...

Chemistry, 1 year ago

Chemical reaction in which phosphorus burns in oxygen to give phosphorus pentoxide...