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