Ask a Doubt
Request a call back

Join NOW to get access to exclusive study material for best results

ICSE Class 10 Answered

C part
question image
Asked by lovemaan5500 | 18 Mar, 2018, 03:18: PM
answered-by-expert Expert Answer

1) Thallium

2) Electronic configuration of boron is (2,3)

    Velence electrons = 3

    Molecular formula is BCl3

3) Boron

4) Group 13

Answered by Varsha | 18 Mar, 2018, 04:10: PM

Application Videos

Concept Videos

Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
ICSE 10 - Chemistry
Arrange the following as per the instructions given in the brackets (a) Carbon, Fluorine, Beryllium (decreasing order of atomic size) (b) Sulphuric acid, Phosphoric acid, Acetic acid (increasing order of number of replaceable H atoms per molecule) (c) Potassium, Lithium, Sodium (increasing order of ionization potential)
Asked by sagarmishra | 12 Mar, 2024, 09:48: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 10 - Chemistry
according to adsorption theory of catalysis, the speed of reaction increase because
Asked by ruchisharmatbn | 03 Mar, 2024, 07:07: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 10 - Chemistry
find odd man out:gold ,silver,iron, diamond
Asked by nandu.bandhiye08091983 | 23 Nov, 2023, 10:30: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 10 - Chemistry
Hi, sir/madam could you please help me to find answer for this question which is the most metallic element and which element having highest atomic radius 
Asked by bharathijaisimha03 | 29 Sep, 2023, 07:01: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 10 - Chemistry
GIVE REASON Electronegativity increases across a period from left to right in the periodic table.Pls let me know-thanks.
Asked by rashikulkarni28 | 18 Jul, 2022, 10:36: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 10 - Chemistry
23 atomic mass, 11 protons, how many neutrons
Asked by bethelhouse434a | 27 Jun, 2022, 10:08: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 10 - Chemistry
Why is lithium regarded in least electronegative 
Asked by maneesha.gangan | 10 Feb, 2022, 08:13: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 10 - Chemistry
state the trend in chemical reactivity : I) across the period left to right, 2) down the group
Asked by ch.satyanarayana112233 | 05 Oct, 2020, 11:21: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 10 - Chemistry
periodic classification of elements
Asked by nitushivankar706 | 07 Aug, 2020, 11:29: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 10 - Chemistry
which metal has most electron affinity and which has least and why? Na, K, Li, or Cs
Asked by saibaba1069 | 23 Apr, 2020, 12:42: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt
Get Latest Study Material for Academic year 24-25 Click here
×