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