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