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