A) It is composed of protons and electrons B) It is composed of protons only C) It is composed of protons and neutrons D) It is composed of electrons and neutrons
A) + B) - C) 0
A) have neutrons in their nuclei. B) have an equal number of electrons and protons. C) have an equal number of charged and noncharged particles. D) have an equal number of neutrons and protons.
A) digesting food B) breaking a pencil C) cooking eggs D) burning wood
A) Atomic Number B) Atomic Mass C) Discovery Date D) Alphabetical Order
A) Valence Electrons B) Neutrons C) Protons D) Protons and Neutrons
A) shape B) pH C) color D) density
A) a total of eight neutrons and electrons. B) eight neutrons in its nucleus. C) eight protons in its nucleus. D) a total of eight protons and neutrons.
A) protons plus the number of neutrons. B) protons. C) protons plus the number of electrons. D) 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) They are highly reactive with both metals and nonmetals. B) They form compounds with very bright colors. C) They are extremely rare in nature. D) a basically nonreactive.
A) are nonreactive B) have only 1 valence electron C) are all metals D) exist in all three states of matter in normal conditions
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) color; smell B) mass;number C) number; mass D) location; ionization
A) 3 neutrons B) 8 neutrons C) 12 neutrons D) 6 neutrons
A) Alkaline Earth B) Halogens C) Alkali Metals D) Noble Gases
A) Alkaline Earth B) Akali C) Noble Gases D) Halogens
A) Alkali B) Halogens C) Noble Gases D) Alkaline Earth
A) Halogens B) Alkali C) Noble Gases D) Alkaline Earth
A) 3 B) 5 C) 4 D) 2
A) metalloids B) nonmetals C) metals
A) Ms. Watson B) Einstein C) Mosely D) Mendleev
A) alphabetically B) according to atomic number C) by date discovered D) According to atomic mass
A) Atomic Number B) Atomic Number-Atomic Mass C) Atomic Mass-Atomic Number D) Atomic Mass
A) Atomic Mass-Atomic Number B) Atomic Number C) Atomic Number-Atomic mass D) Atomic Mass
A) electrons B) neutrons C) protons D) nucleus
A) pH B) flammability C) color D) reactivity
A) crushing B) breaking C) adding dye D) burning
A) only can be seen in a few elements B) can only be observed by changing the substance C) can be observed with senses D) vary within the same element
A) can be observes with the senses B) only can be observed in a few elements C) vary within the same element D) cn only be observed by changing the substance
A) physical B) chemical
A) physical B) chemical
A) it will sink B) not enough information C) it will float
A) grams B) meters C) kilograms D) hours
A) accurate B) both accurate and precise C) precise D) nethier accurate or precise
A) 1/100 B) 100 C) 1,000 D) 1/1,000
A) dependent B) independent C) control D) constant
A) strawberries B) fertilizer C) length of study D) growth
A) independent B) control C) constant D) dependent
A) beaker B) tongs C) graduated cylinder D) stirring rod
A) 0 B) 10 C) 13 D) 16
A) 35 B) 19 C) 18 D) 17
A) 10 B) 26 C) 12 D) 14
A) 10 B) 8 C) 18 D) 2
A) 115 amu B) 0.57 amu C) 57 amu D) 5.7 amu
A) 1 B) 2 C) 4 D) 3
A) Rutherford B) Thomson C) Bohr D) Dalton
A) Rutherford B) Chadwick C) Democritus D) Thomson
A) Shrodinger and Heisenburg B) Rutherford C) Bohr D) Thomson
A) Dalton B) Thomson C) Rutherford D) Bohr
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) Dalton B) Chadwick C) Rutherford D) Bohr
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) smaller mass B) positive charge C) larger mass D) negative charge
A) positrons B) electrons C) neutrons D) protons
A) 3g/ml B) 1.33g/ml C) 72g/ml D) 0.33g/ml
A) 10.7g B) 0.094g C) 17.5g D) 24g |