A) It is composed of electrons and neutrons B) It is composed of protons only C) It is composed of protons and neutrons D) It is composed of protons and electrons
A) 0 B) + C) -
A) have neutrons in their nuclei. B) have an equal number of neutrons and protons. C) have an equal number of charged and noncharged particles. D) have an equal number of electrons and protons.
A) cooking eggs B) burning wood C) breaking a pencil D) digesting food
A) Alphabetical Order B) Atomic Number C) Discovery Date D) Atomic Mass
A) Protons and Neutrons B) Neutrons C) Protons D) Valence Electrons
A) pH B) shape C) density D) color
A) a total of eight neutrons and electrons. B) eight protons in its nucleus. C) a total of eight protons and neutrons. D) eight neutrons in its nucleus.
A) protons. B) protons plus the number of neutrons. C) protons plus the number of electrons. D) neutrons.
A) They are extremely nonreactive. B) They are located in the left-most column of the periodic table. C) They are usually gases. D) They form negative ions with a -1 charge.
A) They are extremely rare in nature. B) a basically nonreactive. C) They form compounds with very bright colors. D) They are highly reactive with both metals and nonmetals.
A) are nonreactive B) have only 1 valence electron C) exist in all three states of matter in normal conditions D) are all metals
A) In the middle column of the periodic table. B) On the left-most side. C) On the right side. D) In the bottom rows.
A) mass;number B) location; ionization C) color; smell D) number; mass
A) 8 neutrons B) 6 neutrons C) 12 neutrons D) 3 neutrons
A) Halogens B) Noble Gases C) Alkaline Earth D) Alkaline Metals
A) Alkaline Earth B) Noble Gases C) Halogens D) Akali
A) Halogens B) Noble Gases C) Alkaline Earth D) Alkali
A) Alkaline Earth B) Noble Gases C) Halogens D) Alkali
A) 4 B) 3 C) 5 D) 2
A) metals B) metalloids C) nonmetals
A) Mendleev B) Einstein C) Ms. Watson D) Mosely
A) According to atomic mass B) by date discovered C) alphabetically D) according to atomic number
A) Atomic Number B) Atomic Mass C) Atomic Number-Atomic Mass D) Atomic Mass-Atomic Number
A) Atomic Mass-Atomic Number B) Atomic Number-Atomic mass C) Atomic Mass D) Atomic Number
A) electrons B) protons C) neutrons D) nucleus
A) reactivity B) pH C) color D) flammability
A) density B) pH C) texture D) shape
A) crushing B) adding dye C) burning D) breaking
A) rusting B) breaking C) burning D) precipitate forming
A) can only be observed by changing the substance B) only can be seen in a few elements C) can be observed with senses D) vary within the same element
A) vary within the same element B) only can be observed in a few elements C) cn only be observed by changing the substance D) can be observes with the senses
A) chemical B) physical
A) physical B) chemical
A) it will float B) not enough information C) it will sink
A) second B) meters C) liters D) kelvin
A) kilograms B) grams C) meters D) hours
A) nethier accurate or precise B) accurate C) precise D) both accurate and precise
A) 100 B) 1/1,000 C) 1,000 D) 1/100
A) control B) dependent C) independent D) constant
A) fertilizer B) length of study C) strawberries D) growth
A) 2,500m B) 0.0025m
A) 16.5g B) 1.65g
A) 9.470x102 B) 9.470x10-2
A) 4.2x103 B) 4.2x10-3
A) 0.0000875 B) 875,000
A) 63,400 B) 0.00634
A) independent B) constant C) control D) dependent
A) graduated cylinder B) beaker C) tongs D) stirring rod
A) 0 B) 16 C) 13 D) 10
A) 19 B) 18 C) 35 D) 17
A) 14 B) 10 C) 12 D) 26
A) 10 B) 2 C) 8 D) 18
A) 57 amu B) 115 amu C) 0.57 amu D) 5.7 amu
A) 2 B) 3 C) 1 D) 4
A) 89.6 mol B) 67.2 mol C) 2 mol D) 0.5 mol
A) 1.72x1023 atoms B) 5.8x1022 atoms C) 2.107x1024 atoms D) 21.07 atoms
A) 12,144ft B) 2,295ft
A) 33.3kg B) 6.75kg
A) Thomson B) Dalton C) Bohr D) Rutherford
A) Thomson B) Chadwick C) Democritus D) Rutherford
A) Shrodinger and Heisenburg B) Thomson C) Rutherford D) Bohr
A) Dalton B) Rutherford C) Thomson D) Bohr
A) All matter is made of atoms. B) Atoms of the same element are exactly alike. C) Atoms combine to form compounds in simple whole number ratios.
A) Chadwick B) Dalton C) Rutherford D) Bohr
A) The mass of protons and neutrons are much smaller than the mass of the electron. B) Electron number never changes. C) The mass of electrons is much smaller than the mass of protons and neutrons. D) Electrons are positively charged.
A) smaller mass B) negative charge C) larger mass D) positive charge
A) positrons B) neutrons C) electrons D) protons
A) 1.33g/ml B) 0.33g/ml C) 3g/ml D) 72g/ml
A) 10.7g B) 17.5g C) 0.094g D) 16g |