A) It is composed of protons and neutrons B) It is composed of electrons 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 electrons and protons. C) have an equal number of neutrons and protons. D) have an equal number of charged and noncharged particles.
A) digesting food B) breaking a pencil C) burning wood D) cooking eggs
A) Alphabetical Order B) Discovery Date C) Atomic Number D) Atomic Mass
A) Protons and Neutrons B) Neutrons C) Valence Electrons D) Protons
A) density B) shape C) pH D) color
A) eight protons in its nucleus. B) eight neutrons in its nucleus. C) a total of eight neutrons and electrons. D) a total of eight protons and neutrons.
A) protons plus the number of neutrons. B) neutrons. C) protons plus the number of electrons. D) protons.
A) They are located in the left-most column of the periodic table. B) They are usually gases. C) They are extremely nonreactive. D) They form negative ions with a -1 charge.
A) a basically nonreactive. B) They are highly reactive with both metals and nonmetals. C) They are extremely rare in nature. D) They form compounds with very bright colors.
A) have only 1 valence electron B) are all metals C) are nonreactive D) exist in all three states of matter in normal conditions
A) On the right side. B) In the bottom rows. C) In the middle column of the periodic table. D) On the left-most side.
A) location; ionization B) color; smell C) number; mass D) mass;number
A) 6 neutrons B) 3 neutrons C) 12 neutrons D) 8 neutrons
A) Alkali Metals B) Halogens C) Noble Gases D) Alkaline Earth
A) Halogens B) Akali C) Noble Gases D) Alkaline Earth
A) Alkaline Earth B) Alkali C) Noble Gases D) Halogens
A) Alkaline Earth B) Alkali C) Halogens D) Noble Gases
A) 4 B) 5 C) 2 D) 3
A) metals B) metalloids C) nonmetals
A) Mendleev B) Mosely C) Ms. Watson D) Einstein
A) by date discovered B) alphabetically C) According to atomic mass D) according to atomic number
A) Atomic Number-Atomic Mass B) Atomic Mass-Atomic Number C) Atomic Number D) Atomic Mass
A) Atomic Mass B) Atomic Number C) Atomic Number-Atomic mass D) Atomic Mass-Atomic Number
A) electrons B) nucleus C) neutrons D) protons
A) color B) pH C) flammability D) reactivity
A) breaking B) crushing C) adding dye D) burning
A) can be observed with senses B) only can be seen in a few elements C) can only be observed by changing the substance D) vary within the same element
A) cn only be observed by changing the substance B) can be observes with the senses C) vary within the same element 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) hours B) kilograms C) meters D) grams
A) precise B) both accurate and precise C) accurate 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) growth B) length of study C) fertilizer D) strawberries
A) constant B) dependent C) independent D) control
A) graduated cylinder B) beaker C) stirring rod D) tongs
A) 10 B) 13 C) 16 D) 0
A) 35 B) 19 C) 18 D) 17
A) 26 B) 10 C) 12 D) 14
A) 18 B) 8 C) 2 D) 10
A) 0.57 amu B) 115 amu C) 57 amu D) 5.7 amu
A) 2 B) 4 C) 1 D) 3
A) Dalton B) Rutherford C) Thomson D) Bohr
A) Democritus B) Thomson C) Chadwick D) Rutherford
A) Shrodinger and Heisenburg B) Rutherford C) Bohr D) Thomson
A) Bohr B) Thomson C) Dalton D) Rutherford
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) Bohr C) Rutherford D) Dalton
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) negative charge B) smaller mass C) larger mass D) positive charge
A) positrons B) electrons C) protons D) neutrons
A) 3g/ml B) 72g/ml C) 1.33g/ml D) 0.33g/ml
A) 0.094g B) 17.5g C) 10.7g D) 24g |